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: Assume that only one product is being sold in each of the four following case situations Case #1 Case #2 Case #3 Case #4 20,700 5,700 $ 199,500 Unit sold Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin per unit 8,600 $ 240,800 $ 371,800 146,200 84,000 269,100 178,000 89,000 50,800 $ 98,300 $ 7,900 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 $ 297,000 Sales Variable expenses Fixed expenses Net operating income (loss) Average contribution margin ratio (percent) $456,000$ 203,000 138,040 51,000 83,160 469,000 51,720 $ 130,250$(17,160) 37% 85%