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: Complete this question by entering your answers in the tabs below. Required A 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 6,000 300,000 Sales $ 100,000 $ Variable expenses 15,000 180,000 $ 120,000 50,000 $ 70,000 Fixed expenses 32,000 100,000 (10,000) 8,000 $ 12,000 $ Net operating income (loss) Contribution margin per unit $ 10 $ 13