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 ARequired 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 9,100 5,400 Unit sold Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin per unit 21,000 $ 291,200$ 390,000 $140,400 109,200 95,000 210,000 171,000 78,000 9,000 162,000(40,200) 12 $ 12