Fill in the missing amounts in each of the eight case situations below. Each case is independent of the others. (Hint One way to find the missing amounts would be to prepare a contribution format income statement for each case, enter the known data, and then compute the missing items.) Required: 6. Assume that only one product is being sold in each of the following four case situations: Case 10.000 Case 4 4000 $ 240.000 Case 1 Case 2 10,000 $ 160.000 5 150,000 120.000 28.000 32 000 $ 50 000 $ $ 2013 Un sold Sales Vanable expenses Fred expenses Operating income (los) Contribution margin per unit 60,000 120.000 (04000) 10,000 $ 11 b. Assume that more than one product is being sold in each of the following four case situations: (inter "Contribution margin ratio" in percent. Round your final onswers to the nearest whole dollar amount.) Sales Vanable expenses Fixed expenses Operating income clos) Average contribution margin (percentage) Case #1 Case #2 $ 400,000 $ 480.000 288,000 105.000 $ 7 800 20% Case #3 Cabe 14 $ 600.000 420.000 120 000 s 22 000 5 (4,000) 54%