ABC Analysis, Categories, Steps, Benefits

ABC Analysis is an inventory control technique based on the Pareto Principle (80/20 rule), used to classify inventory items according to their value and consumption significance. Items are categorized into three groups: Category A (high-value items, roughly 70-80% of value but only 10-15% of quantity, requiring strict control), Category B (moderate-value items, around 15-20% of value and 20-25% of quantity, needing moderate control), and Category C (low-value items, about 5-10% of value but 60-70% of quantity, requiring simple control).

This technique helps organizations prioritize resources, optimize inventory investment, reduce carrying costs, and improve stock monitoring efficiency, enabling better decision-making in procurement, storage, and inventory management for enhanced operational effectiveness.

Categories in ABC Analysis:

1. Category A Items

Category A items represent a small proportion of total inventory items but account for a large percentage of total annual consumption value. Generally, these items may constitute around 10 to 20 percent of inventory items while representing about 70 to 80 percent of total inventory value. Because of their high financial importance, they require strict control, accurate forecasting, frequent review, and close management supervision. Purchasing quantities and stock levels should be carefully determined to avoid excessive investment. Regular monitoring, reliable suppliers, accurate records, and appropriate security measures are important for Category A items. Effective management of these items can significantly reduce overall inventory costs.

2. Category B Items

Category B items have moderate importance in inventory management. They generally represent around 20 to 30 percent of inventory items and approximately 15 to 25 percent of total annual consumption value. These items require a moderate level of managerial attention because their financial impact is neither extremely high nor very low. Organisations normally review Category B items periodically and apply suitable purchasing and inventory control procedures. Detailed monitoring may not be required as frequently as for Category A items. However, accurate records, reasonable stock levels, demand forecasting, and supplier monitoring remain important. Proper management of Category B items helps maintain inventory efficiency and balanced control costs.

3. Category C Items

Category C items represent a large proportion of inventory items but account for a relatively small percentage of total annual consumption value. They may constitute around 50 to 70 percent of inventory items while representing approximately 5 to 10 percent of total inventory value. Since their financial importance is comparatively low, organisations generally use simple and economical control procedures for these items. Frequent monitoring and detailed forecasting may not be necessary. Organisations may maintain relatively higher stock levels to avoid excessive administrative effort and frequent purchasing activities. Effective management of Category C items focuses on low administrative costs, simplified purchasing procedures, and efficient inventory handling.

Category % of Items % of Value Control Level Key Focus
๐Ÿ’™ A Items 10โ€“20% 70โ€“80% Very High Strict control, accurate forecasting, close supervision
๐Ÿงก B Items 20โ€“30% 15โ€“25% Moderate Periodic review, balanced control, reasonable stock levels
๐Ÿ’š C Items 50โ€“70% 5โ€“10% Low Simple control, higher stock levels, low admin cost

How to Perform ABC Analysis:

1. List All Inventory Items

The first step in ABC Analysis is to prepare a complete list of all inventory items maintained by the organisation. The list should include important information such as item name, item code, annual usage, unit price, and quantity consumed. Accurate data is essential because ABC Analysis classifies items according to their annual consumption value. Items should be identified clearly to avoid duplication or errors. Historical consumption records can be used to estimate annual usage. The purpose of this step is to establish a reliable inventory database that provides the foundation for calculating annual consumption value and subsequently classifying items into A, B, and C categories.

2. Calculate Annual Consumption

After listing inventory items, the organisation calculates the annual consumption quantity for each item. Annual consumption represents the total quantity of an inventory item expected to be used during one year. It can be determined using historical consumption records or reliable demand forecasts.

Formula:

Annual Consumption = Average Monthly Consumption ร— 12

Alternatively, if yearly usage is already available, that figure can be used directly. Accurate annual consumption data is important because ABC Analysis depends on the relative usage and value of different inventory items. Seasonal variations and changes in production requirements should also be considered while estimating annual consumption to improve the accuracy of classification.

3. Determine Unit Cost

The next step is to determine the unit cost of every inventory item. Unit cost represents the purchase or acquisition cost of one unit of the particular material. Reliable cost information should be obtained from current purchase records, supplier quotations, or accounting records. When prices vary significantly during the year, an appropriate average or relevant cost may be considered. Accurate unit cost is necessary because an inexpensive item used in large quantities may have a higher annual consumption value than an expensive item used occasionally. Therefore, both annual usage and unit cost are considered when performing ABC Analysis.

4. Calculate Annual Consumption Value

After determining annual consumption and unit cost, the annual consumption value of each inventory item is calculated. This is the most important calculation in ABC Analysis because items are classified according to their financial significance.

Formula:

Annual Consumption Value = Annual Consumption Quantity ร— Unit Cost

For example, if an item has annual consumption of 2,000 units and a unit cost of โ‚น50, its annual consumption value is โ‚น1,00,000. Higher annual consumption value indicates greater financial importance. After calculating this value for all items, the organisation can compare the items and arrange them according to their annual consumption value for further classification.

5. Calculate Total Consumption Value

The annual consumption values of all inventory items are then added to determine the total annual consumption value of the inventory. This provides the overall financial value against which individual items can be compared.

Formula:

Total Consumption Value = ฮฃ Annual Consumption Value of All Items

This calculation helps management determine the percentage contribution of each item to total inventory value. A high value item will contribute a larger percentage, while a low value item will contribute a smaller percentage. Accurate calculation of total consumption value is essential for establishing the percentage contribution and cumulative percentage required for ABC classification.

6. Calculate Percentage of Consumption Value

The next step is to calculate the percentage contribution of each inventory item to the total annual consumption value.

Formula:

Percentage of Consumption Value = Annual Consumption Value รท Total Consumption Value ร— 100

This percentage shows the relative financial importance of each item. For example, if an item has an annual consumption value of โ‚น2,00,000 and total inventory consumption value is โ‚น10,00,000, its contribution is 20 percent. The calculated percentages are used to identify which items contribute most significantly to total inventory value. This helps management establish appropriate control levels and prepare the items for cumulative percentage calculation and final classification into A, B, and C categories.

7. Rank Items According to Value

After calculating the annual consumption value, all inventory items are arranged in descending order of annual consumption value, starting with the item having the highest value. The highest value item receives the first position, followed by the next highest value item and so on. This ranking is important because ABC Analysis gives greater managerial attention to items that contribute significantly to total inventory value. Proper ranking allows management to identify the items that require strict control. Any errors in ranking can affect the cumulative percentage and ultimately lead to incorrect classification. Therefore, the calculated values should be checked carefully before proceeding further.

8. Calculate Cumulative Percentage

After ranking the items, the cumulative percentage of consumption value is calculated. The percentage contribution of each item is added progressively from the highest value item to the lowest value item.

Formula:

Cumulative Percentage = Previous Cumulative Percentage + Current Percentage

For example, if three items contribute 40 percent, 25 percent, and 15 percent respectively, their cumulative percentages will be 40 percent, 65 percent, and 80 percent. Cumulative percentage helps management identify the point at which items fall within the commonly used A, B, and C ranges. It provides a clear basis for determining the relative importance of inventory items.

9. Classify Items into A, B and C Categories

Based on cumulative consumption value, inventory items are classified into A, B, and C categories. Generally, A items account for about 70 to 80 percent of total consumption value, B items account for about 15 to 25 percent, and C items account for about 5 to 10 percent. The exact percentages may vary according to organisational requirements.

A common classification is:

A = About 70 to 80 percent value
B = About 15 to 25 percent value
C = About 5 to 10 percent value

This classification helps determine the appropriate level of inventory control and managerial attention for each category.

10. Establish Appropriate Control Measures

The final step is to establish suitable inventory control policies for each category. Category A items require strict monitoring, accurate records, frequent review, and close management supervision because they represent high financial value. Category B items require moderate control and periodic review. Category C items generally require simple and economical control procedures because their financial contribution is relatively low. The objective is to avoid applying the same level of control to every inventory item. ABC Analysis therefore helps organisations allocate managerial attention and resources according to financial importance, resulting in better inventory control and more efficient use of working capital.

Benefits of ABC Analysis:

1. Effective Inventory Control

ABC Analysis helps organisations control inventory according to the financial importance of different items. Instead of giving equal attention to every inventory item, management can concentrate more on high value Category A items, provide moderate attention to Category B items, and use simple controls for Category C items. This classification helps organisations establish appropriate purchasing, storage, monitoring, and review procedures. It also reduces unnecessary managerial effort spent on low value items. By directing attention towards items that have the greatest financial impact, ABC Analysis improves overall inventory management and supports better utilisation of organisational resources.

2. Reduction in Inventory Costs

ABC Analysis helps organisations reduce inventory related costs by identifying items that require strict control and those that can be managed using simpler procedures. Category A items receive detailed monitoring because they represent a major portion of inventory value. Better control over these items can reduce excess purchasing, carrying costs, wastage, and unnecessary investment. Category C items can be managed economically without expensive control procedures. This selective approach reduces administrative and storage expenses while maintaining adequate inventory availability. Consequently, ABC Analysis helps organisations achieve better cost control, efficient inventory investment, and improved profitability.

3. Optimum Utilisation of Working Capital

Inventory represents a significant portion of an organisation’s working capital. ABC Analysis helps management identify where the largest portion of inventory investment is concentrated. Category A items generally account for a major percentage of total inventory value and therefore require careful purchasing and stock level decisions. By controlling high value items effectively, organisations can prevent excessive funds from being blocked in inventory. Better control of inventory investment improves cash flow and working capital utilisation. ABC Analysis therefore helps management balance inventory availability with financial requirements and ensures that available funds are used more efficiently.

4.ย Better Purchasing Decisions

ABC Analysis supports better purchasing decisions by showing which inventory items have the greatest financial importance. Category A items require careful demand forecasting, supplier selection, order quantity decisions, and purchasing schedules. Category B items can be reviewed periodically, while Category C items can generally be purchased using simpler procedures. This differentiated approach allows purchasing departments to focus their efforts on materials that significantly affect total inventory expenditure. It also helps organisations negotiate better supplier terms for important items and avoid unnecessary purchases. Consequently, ABC Analysis contributes to economical purchasing, improved supplier management, and effective inventory planning.

5. Improved Inventory Monitoring

ABC Analysis improves inventory monitoring by assigning different levels of control to different categories of items. Category A items are usually monitored frequently because small changes in their inventory levels can have a significant financial impact. Category B items receive moderate monitoring, while Category C items can be reviewed less frequently. This prevents management from spending excessive time monitoring low value items while ensuring that important items receive adequate attention. Regular monitoring helps identify stock shortages, excess inventory, unusual consumption, and purchasing problems. Thus, ABC Analysis improves inventory visibility and supports timely managerial action.

6. Better Management Attention

One important benefit of ABC Analysis is that it helps management allocate attention and managerial resources according to inventory importance. Managers cannot give equal attention to every inventory item, especially in organisations handling thousands of materials. ABC classification identifies Category A items that require close supervision because they represent a high proportion of inventory value. Category B items receive moderate attention, while Category C items can be controlled through simpler procedures. This selective approach improves managerial efficiency and reduces unnecessary administrative work. It enables managers to focus on critical inventory decisions and contributes to better planning, control, and decision making.

7. Reduction in Stockouts and Excess Inventory

ABC Analysis helps organisations maintain a better balance between inventory availability and inventory investment. High value Category A items receive careful monitoring, helping management identify potential shortages and initiate replenishment on time. At the same time, unnecessary accumulation of expensive inventory can be avoided through accurate forecasting and purchasing controls. Category B and C items can be managed using suitable stock policies according to their importance. Although ABC Analysis alone does not guarantee elimination of stockouts, it provides a useful basis for establishing appropriate reorder levels, safety stock, and review procedures. This improves inventory availability and reduces unnecessary inventory accumulation.

8. Efficient Use of Storage Space

ABC Analysis helps organisations use warehouse and storage space more efficiently by identifying the relative importance and value of different inventory items. High value Category A items require careful storage, monitoring, and protection because they represent significant financial investment. Category B and C items can be managed according to their value and usage characteristics. Proper classification can support better decisions regarding stock levels, storage arrangements, security, and replenishment frequency. It can also reduce unnecessary accumulation of slow moving or low value inventory. Therefore, ABC Analysis contributes to better warehouse organisation, improved inventory visibility, reduced storage related costs, and efficient utilisation of available space.

FSN Analysis, Categories, Benefits

FSN Analysis is an inventory control technique that classifies stock items based on their usage rate and movement pattern over a specific period. Items are categorized into three groups: Fast-moving (F)โ€”items consumed frequently, requiring regular replenishment and prime storage locations; Slow-moving (S)โ€”items with infrequent consumption, needing periodic review; and Non-moving (N)โ€”items with no consumption over a defined period, often indicating obsolete or dead stock.

FSN Analysis helps organizations optimize warehouse space, identify obsolete inventory, improve stock rotation, and support decisions related to disposal, liquidation, or reordering, thereby enhancing overall inventory management efficiency and reducing unnecessary holding costs.

Categories in FSN Analysis:

1. Fast Moving Items

Fast Moving items are inventory items that are issued, consumed, or sold frequently and regularly during a specific period. These items generally have a high rate of movement and require continuous replenishment to maintain adequate stock. Examples include frequently used raw materials, production components, packaging materials, and commonly demanded products. Fast Moving items require regular monitoring, accurate demand forecasting, and timely purchasing to prevent stockouts. Organisations should maintain appropriate reorder levels and safety stock based on consumption patterns. Effective management of these items ensures uninterrupted production and customer service while reducing the risk of shortages and emergency purchasing.

2. Slow Moving Items

Slow Moving items are inventory items that are issued, consumed, or sold less frequently compared with Fast Moving items. These items remain in storage for relatively longer periods and have a lower rate of inventory turnover. Examples may include specialised components, occasional maintenance materials, and products with limited demand. Slow Moving items require periodic review and careful stock control to avoid unnecessary accumulation. Excessive quantities can increase storage and carrying costs and may lead to deterioration or obsolescence. Organisations should analyse their usage patterns and purchasing requirements regularly to determine whether existing quantities are appropriate and whether future purchases should be reduced.

3. Non Moving Items

Non-Moving items are inventory items that have not been issued, consumed, or sold for a considerable period. These items may arise because of changes in production processes, reduced demand, discontinued products, obsolete equipment, or excessive purchasing. Non Moving inventory occupies valuable storage space and blocks working capital without generating sufficient operational benefits. Organisations should regularly identify such items through inventory records and investigate the reasons for their inactivity. Depending on their condition and usefulness, management may consider alternative use, transfer, return to suppliers, sale, or disposal. Effective management of Non Moving items helps reduce storage costs and unnecessary inventory investment.

How to Perform FSN Analysis:

1. Prepare the Inventory List

The first step in FSN Analysis is to prepare a complete list of inventory items maintained by the organisation. The list should include details such as item name, item code, opening stock, receipts, issues, closing stock, and period of use. Accurate inventory records are important because FSN classification depends mainly on the movement and usage of items. The analysis period may be selected according to organisational requirements, such as six months or one year. A complete inventory list provides the basic information required to identify items that move frequently, move occasionally, or remain unused for a long period.

2. Collect Inventory Movement Data

The next step is to collect historical data relating to the movement of each inventory item. Important information includes the number of times an item has been issued, quantity consumed, sales frequency, and dates of inventory transactions. Data may be obtained from stock registers, warehouse records, purchase records, sales systems, or inventory management software. The reliability of FSN Analysis depends on accurate movement information. Organisations should ensure that all receipts and issues are properly recorded. Analysing historical movement helps management understand the actual usage pattern of each item and provides a suitable basis for subsequent classification.

3. Determine the Movement Rate

After collecting inventory data, management determines the movement rate or frequency of use for each item. This may be based on the number of issues, sales transactions, or quantities consumed during the selected period. Items with frequent movement are considered more active, while items with limited movement are considered less active. Organisations should select an appropriate measurement method according to the nature of their inventory. The objective is to identify differences in inventory turnover and usage frequency. Accurate measurement of movement rate helps management distinguish Fast Moving, Slow Moving, and Non Moving items and establish suitable inventory control policies.

4. Calculate Inventory Turnover

Inventory turnover can be used to assess how frequently inventory is consumed or sold during a particular period.

Formula:

Inventory Turnover Ratio = Cost of Goods Sold รท Average Inventory

Alternatively, organisations may use issue frequency or consumption frequency where appropriate. A higher inventory turnover generally indicates faster movement, while a lower turnover indicates slower movement. However, exact classification criteria depend on the organisation, type of inventory, and selected analysis period. Calculating turnover provides a quantitative basis for comparing inventory items and identifying their movement characteristics. This helps management establish suitable categories for further FSN classification.

5. Identify Fast Moving Items

Items showing frequent issues, high consumption, or high inventory turnover are classified as Fast Moving items. These materials are regularly required for production, sales, or other organisational activities. Management should closely monitor their stock levels because frequent consumption can increase the possibility of stockouts. Appropriate reorder levels, safety stock, purchasing schedules, and demand forecasts should be established for these items. Fast Moving items should also be readily accessible within the warehouse to reduce handling and retrieval time. Proper management ensures continuous availability and supports uninterrupted production, efficient order fulfilment, and improved customer service.

6. Identify Slow Moving Items

Items showing limited movement or relatively low consumption during the selected period are classified as Slow Moving items. These items may remain in storage for longer periods and therefore require periodic review. Management should examine their demand patterns and determine whether the existing stock quantity is justified. Excessive quantities may result in higher carrying costs, storage requirements, deterioration, and possible obsolescence. Purchasing policies may need to be adjusted to avoid unnecessary accumulation. Slow Moving items should be monitored regularly to determine whether their movement is improving, declining, or remaining unchanged. This supports better inventory planning and cost control.

7. Identify Non Moving Items

Items that have not been issued, consumed, or sold for a specified period are classified as Non Moving items. The organisation should investigate why these items have remained unused. Possible reasons include discontinued products, changes in production methods, obsolete equipment, incorrect purchasing decisions, or reduced customer demand. Non Moving items occupy storage space and may block working capital without providing current operational benefits. Management may consider returning, transferring, selling, reusing, or disposing of such items where appropriate. Identifying Non Moving inventory helps organisations reduce unnecessary stock and improve warehouse utilisation and working capital management.

8. Establish Classification Criteria

The organisation should establish clear criteria for dividing inventory into Fast Moving, Slow Moving, and Non Moving categories. There is no single universal percentage or time limit applicable to every organisation. Criteria should be based on factors such as industry characteristics, demand patterns, inventory type, production requirements, and historical movement. For example, management may define items with frequent monthly issues as Fast Moving and items with no issue for a specified period as Non Moving. Clearly defined criteria ensure consistency and make the analysis easier to apply. The criteria should also be reviewed periodically as business conditions change.

9. Review and Validate the Classification

After classifying inventory items, management should review and validate the results with relevant departments such as production, purchasing, stores, sales, and finance. Some items may have low movement but remain strategically important because they are required for emergencies or critical maintenance. Therefore, movement alone should not always determine final inventory decisions. Management should consider the operational importance, availability, lead time, and future requirements of items. Periodic review helps identify incorrect classifications and changing movement patterns. This ensures that FSN Analysis provides a realistic representation of inventory behaviour and supports appropriate inventory management decisions.

10. Take Appropriate Inventory Control Actions

The final step is to establish suitable inventory control measures based on FSN classification. Fast Moving items require frequent monitoring, timely replenishment, and appropriate safety stock. Slow Moving items require periodic review and careful purchasing to prevent excess accumulation. Non Moving items should be examined for possible reuse, return, sale, transfer, or disposal. Management should integrate FSN results with purchasing, warehouse management, and inventory planning systems. Regularly updating the analysis helps organisations respond to changing consumption patterns. The ultimate objective is to reduce unnecessary inventory, improve stock availability, minimise storage costs, and utilise working capital efficiently.

Benefits of FSN Analysis:

1. Improved Inventory Control

FSN Analysis improves inventory control by classifying items according to their frequency of movement and usage. Fast Moving items require frequent monitoring and timely replenishment, while Slow Moving items require periodic review. Non Moving items can be investigated for possible disposal, transfer, or alternative use. This classification enables organisations to apply different control procedures according to inventory movement. It prevents management from treating all inventory items in the same manner. Better classification supports appropriate stock levels, purchasing decisions, and warehouse practices. Consequently, FSN Analysis helps organisations maintain necessary inventory while reducing unnecessary accumulation and improving overall inventory efficiency.

2. Reduction in Inventory Carrying Cost

FSN Analysis helps reduce inventory carrying costs by identifying items that remain unused or move slowly. Slow Moving and Non Moving items may occupy warehouse space for extended periods and create expenses related to storage, insurance, handling, deterioration, and capital investment. By identifying such items, management can reduce unnecessary purchases and take appropriate action to dispose of, transfer, or reuse excess inventory. Fast Moving items can be replenished according to actual consumption patterns. This selective approach helps organisations control inventory investment and reduce avoidable carrying expenses. Therefore, FSN Analysis contributes to cost reduction and better financial management.

3. Identification of Non Moving Items

One of the major benefits of FSN Analysis is its ability to identify Non Moving inventory that has remained unused for a considerable period. Such inventory may result from discontinued products, changes in production methods, excessive purchasing, or inaccurate demand estimation. Non Moving items occupy valuable storage space and block working capital without providing immediate operational benefits. Once identified, management can evaluate these items for reuse, transfer, return, sale, or disposal. This helps reduce unnecessary inventory accumulation and improves warehouse efficiency. Regular identification of Non Moving items also supports better purchasing decisions and prevents similar accumulation in the future.

4. Better Purchasing Decisions

FSN Analysis supports better purchasing and procurement decisions by providing information about the actual movement of inventory items. Fast Moving items require regular replenishment because they are frequently consumed or sold. Slow Moving items should be purchased carefully to avoid excessive accumulation, while Non Moving items generally should not be purchased unless there is a specific requirement. This movement based information helps purchasing departments align procurement quantities with actual usage patterns. It reduces unnecessary purchases and supports better supplier planning. As a result, FSN Analysis improves purchasing efficiency, inventory turnover, working capital utilisation, and overall procurement control.

5. Efficient Use of Warehouse Space

FSN Analysis helps organisations utilise warehouse space efficiently by identifying the movement characteristics of inventory items. Fast Moving items can be placed in easily accessible locations to reduce handling and retrieval time. Slow Moving items can be stored in suitable areas without occupying prime warehouse space. Non Moving items can be reviewed for disposal, transfer, or alternative use, thereby releasing valuable storage capacity. Better arrangement reduces unnecessary movement and improves warehouse operations. It also helps management avoid storing excessive quantities of inactive inventory. Therefore, FSN Analysis contributes to better space utilisation, easier material handling, and improved warehouse productivity.

6. Improved Inventory Turnover

FSN Analysis helps improve inventory turnover by identifying items according to their rate of movement. Fast Moving items are monitored closely to ensure timely replenishment and continuous availability. Slow Moving items are reviewed to determine whether their stock levels are excessive, while Non Moving items are identified for corrective action. Reducing unnecessary Slow Moving and Non Moving inventory improves the overall efficiency of inventory investment. Higher inventory turnover generally indicates that inventory is being utilised more effectively. By focusing management attention on movement patterns, FSN Analysis helps organisations reduce idle stock, improve purchasing practices, and achieve more efficient inventory utilisation.

7. Better Working Capital Management

Inventory requires substantial investment of working capital, particularly when large quantities remain unused for long periods. FSN Analysis helps management identify Slow Moving and Non Moving items that may unnecessarily block financial resources. By reducing inactive inventory and controlling future purchases, organisations can release funds for more productive uses. Fast Moving items can be managed through appropriate replenishment policies to maintain availability without excessive stock. This improves the balance between inventory requirements and financial resources. Therefore, FSN Analysis supports better cash flow, reduced capital blockage, improved inventory investment, and more effective working capital management.

8. Reduction in Obsolescence and Wastage

FSN Analysis helps reduce inventory obsolescence, deterioration, and wastage by identifying items that remain unused for extended periods. Slow Moving and Non Moving items are more likely to become outdated, damaged, expired, or unsuitable for future requirements. Early identification allows management to take corrective action such as reducing future purchases, transferring stock, using materials elsewhere, or disposing of items before their value declines further. This is particularly important for perishable products, medicines, electronic components, and technology related items. Effective FSN Analysis therefore helps organisations protect inventory value and minimise losses caused by inactive or outdated stock.

9. Improved Production Planning

FSN Analysis supports production planning by providing information about the movement and consumption of materials. Fast Moving materials can be monitored closely to ensure their continuous availability for production. Slow Moving materials can be reviewed against future production requirements, while Non Moving materials can be identified for possible alternative use. This information helps production managers coordinate material requirements with purchasing and inventory departments. It reduces the risk of production delays caused by unavailable materials and prevents unnecessary accumulation of materials that are not regularly required. Thus, FSN Analysis contributes to smooth production operations, better material planning, and improved resource utilisation.

10. Simplified Inventory Management

FSN Analysis simplifies inventory management by dividing a large number of inventory items into three clear movement categories: Fast Moving, Slow Moving, and Non Moving. This classification makes it easier for managers to decide how frequently different items should be monitored and replenished. Fast Moving items receive greater attention, Slow Moving items are reviewed periodically, and Non Moving items are investigated for corrective action. This reduces unnecessary administrative effort and allows inventory personnel to focus on important movement patterns. Consequently, FSN Analysis provides a simple and practical method for monitoring inventory, improving control procedures, and supporting efficient inventory decisions.

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