Which of the Following Formulas Determine Cost of Goods Sold

Multiple Choice

Which of the following formulas determine cost of goods sold in a merchandising entity?

A) Beginning inventory + Purchases + Ending inventory = Cost of goods sold
B) Beginning inventory + Purchases - Ending inventory = Costs of goods sold
C) Beginning inventory - Purchases + Ending inventory = Cost of goods sold
D) Beginning inventory - Ending inventory - Purchases = Cost of goods sold