Fill in the missing amounts in each of the eight cases 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: 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: Units sold Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin per unit Case 1 Case 2 Case 3 Case 4 8,100 20,500 $ 218,700 S 391,500 $ 6,000 204,000 145,800 225,500 93,000 178,000 74,000 $ 38,000 $ 195,000 $ 34,000 $ 16 $ 14