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 19,400 4,600 Sales $ 8,600 240,800 129,000 $ 379,9001 $ 128,800 252,200 Variable expenses Contribution margin Fixed expenses Net operating income (loss) Contribution margin per unit 98,000 79,000 176,000 46,700 $ $ 126,400 $ $ $ (33,000) 11