Accounting for IGCSE & O level - Final Statements (Section 6 - No. 32)

What is the formula to determine the Cost of Goods Sold (COGS)?

Beginning Inventory - Purchases + Ending Inventory

Beginning Inventory + Purchases - Ending Inventory

Beginning Inventory - Purchases - Ending Inventory

Purchases - Ending Inventory + Beginning Inventory

COGS = Beginning Inventory + Purchases - Ending Inventory