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 8,700 20,800 4,500 $ 252,300 $ 417,600 $ 153,000 Variable expenses 174,000 208,000 Fixed expenses 87,000 164,000 74,000 Net operating income (loss) $ Contribution margin per unit $ 80,800 $ 17 $ 178,400 $ (11,000) < Required A 13 Required B >