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: 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: (For all requirements, Loss amounts should be indicated by a minus sign.) 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: Case #1 Case #2 Case #3 Case #4 Unit sold Sales 8,800 19,300 5,800 $ 308,000 $ 375,300 $ 191,400 Variable expenses 149,600 270,200) Fixed expenses 94,000 172,000 83,000 Net operating income (loss) $ 64,300 $ 86,700 $ 21,400 Contribution margin per unit $ 17 $