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: X Answer is not complete. 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 Sales $ 500,000 $ Case #4 $ 600,000 420,000 Variable expenses 400,000 260,000 100,000 40,000 Fixed expenses $ 7,000 $ $ $ 130,000 20,000 60% Net operating income (loss) Contribution margin ratio (percent) (5,000) 20% 35%