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 Caso #2 Case #3 Case #4 Unit sold Sales 8,700 20,400 4,800 $ 234,900 $ 308,000 $ 124,800 Variable expenses 130,500 244,800 Fixed expenses 90,000 178,000 81,000 Net operating income (loss) $ (24,000) $ 119,000 $ (42,600) Contribution margin per unit $ 11 $ 10 Required A Required B >