Fin the missing amounts in each of the eight case situations below. Each case is incependent 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 10,000 10,000 5.400 Sales $ 310,000 $ 307,300 $ 172,800 Variable expenses 170,000 209,000 Fixed expenses 98,000 163.000 88,000 Net operating income (loss) $ 111,000 $ 32.000 $ (12.400) Contribution margin per unit $ 20 $ Required B >