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: Complete this question by entering your answers in the tabs below. Required A Required B Assume that more than one product is being sold in each of the four following case situations: ............................................................................................ Case #1 Case #2 Case #3 Case #4 Sales $ 500.000 $ $ 600,000 400,000 260,000 Variable expenses 420,000 100,000 Fixed expenses Net operating income (loss) Contribution margin ratio (percent) 130,000 20,000 $ $ $ (5,000) 7,000 20% 60%