of the following equations, select all that are expressed correctly. O b. Cost of Goods Sold = Beginning Inventory + Purchases d. Purchases = Cost of Goods Available for Sale - Beginning Inventory c. Gross Profit = Operating Expenses + Income (Loss) Before Income Tax e. Cost of Goods Available for Sale = Cost of Goods Sold + Ending Inventory f. Sales = Income (Loss) after tax + Operating Expenses + Cost of Goods Sold g. Sales = Net Income + Income Tax Expense + Operating Expenses + Beginning Inventory + Purchases - Ending Inventory. a. Gross Profit = Sales - Cost of Goods Available for Sale + Ending Inventory LINK TO TEXT