Help Fill in the missing amounts in each of the eight case situations below. Each case is independent of the others. (Hinto the missing amounts would be to prepare a contribution format income statement for each case, enter the known data 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 #2 Case #1 9.900 Case #3 20,900 Unit sold Case #4 5,200 $ 176 800 Sales 391,500 287,100 $ 148,500 98.000 313,500 Variable expenses 175,000 70.500 5 171 $ 91,000 (2.600) Fixed expenses Net operating income (loss) Contribution margin per unit 109 100 $ 9 $ Required 8 )