Practice Objective 5-2 x Your answer is incorrect. Try again. of the following equations, select all that are expressed correctly. g. Sales = Net Income + Income Tax Expense + Operating Expenses + Beginning Inventory + Purchases - Ending Inventory. e. Cost of Goods Available for Sale = Cost of Goods Sold + Ending Inventory c. Gross Profit = Operating Expenses + Income (Loss) Before Income Tax a. Gross Profit = Sales - Cost of Goods Available for Sale + Ending Inventory f. Sales = Income (Loss) after tax + Operating Expenses + Cost of Goods Sold d. Purchases = Cost of Goods Available for Sale - Beginning Inventory O b. Cost of Goods Sold = Beginning Inventory + Purchases