Fill in the missing amounts in each of the eight case situations below. Each case is independent of the others. 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 only one product is being sold in each of the four following case situations: (Loss amounts should be indicated by a minus sign.) Unit sold Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin per unit Case #1 Case #2 Case #3 Case #4 8,900 19,700 4,300 $ 275,900 $ 321,600 $ 120,400 160,200 295,500 81,000 164,000 81,000 $ 37,000 $ 35,200 $ (29,400) $ 15 $ 6