Calculate amounts for each cair Case A Case B Case C Sales Revenue S 1,540 #5 Cost of Goods Sold #1 640 250 Gross Margin #2 S 1,760 Operating Expenses Selling Expenses 180 550 90 Administrative Expenses S 400 S 240 S 160 Total Operating Expenses #3 #6 #10 Pretax Income 17 300 Income Tax Expense S 130 S 420 S 120 Net Income 230 550 #11