Common-base-year financial statements help us see the trends in the different items.
Values in a common-base-year statement as calculated as follows: If base year is 1999, then:
Common-base-year cash in 2000 = Cash in 2000/Cash in 1999
Common-base-year cash in 2001=Cash in 2001/Cash in 1999
Common-base-year inventory in 2000=Inventory in 2000/Inventory in 1999