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 only one product is being sold in each of the four following case situations: (Loss amounts should be indicated by a minus sign.) Case #1 Case #2 Case #3 Case #4 Unit sold 8,900 20,500 4,800 Sales $ 391,500 $ 148,800 249,200 $ 169,100 Variable expenses 225,500 90,000 Fixed expenses Net operating income (loss) Contribution margin per unit 166,000 80,500 17 77,000 (9,800) $ $ 108,500 $ $ $ 9