( $ Millions ) Beginning Inventory $6 Add: Net Purchases $4 Less: Ending Inventory $2 Cost of goods sold $8 ( $ Millions ) Cost of goods sold $8 x Gross Profit as % of Cost 25% '=1/4 Gross Profit $2 ( $ Millions ) Cost of goods sold $8 Add: Gross Profit $2 Alpha's net sales was $10