The cost of goods sold (COGS) in a perpetual inventory system is found by

Multiple Choice

A. deducting the cost of beginning inventory from the cost of goods available for sale

B. adding the net cost of purchases to the ending inventory

C. deducting the cost of ending inventory from the cost of goods available for sale Incorrect

D. deducting the cost of the ending inventory from the net cost of purchases

E. None of the other alternatives are correct

I picked Answer C but it turned out to be incorrect.