Fill in the missing amounts in each of the eight case situations below. Each case is independent of the others. Required: a. Assume that only one product is being sold in each of the four following case situations: b. Assume that more than one product is being sold in each of the four following case situations: Complete this question by entering your answers in the tabs below. Required A Required B Assume that more than one product is being sold in each of the four following case situations: Case #1 Case #2 Case #3 Case #4 Sales $ 500,000 $ 400,000 $ $ 600,000 250,000 100,000 400,000 260,000 420,000 Variable expenses Contribution margin Fixed expenses 100000 x 140000 X 150000 X 180000 93,000 100,000 130,000 185,000 (5,000) $ 7,000 $ 40,000 $ 20,000 $ Net operating income (loss) Contribution margin ratio (percent) 20% 35% 60% 30%