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: Unit sold Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin per unit $ Case #1 Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin ratio (percent) $ $ 9,900 336,600 $ 332,500 128,700 83,000 $ $ Case #2 Case #1 456,000 $ 72,960 41% 165,000 (5,400) $ 12 $ Case #2 Case #3 b. Assume that more than one product is being sold in each of the four following case situations: 196,000 121,520 66,000 20,900 313,500 $ 47,400 S 6 Case #4 4,100 $ 139,400 Case #3 88,000 (26,500) Case #4 $ 306,000 79,560 467,000 111,100 $ 82% 7,440