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 9,300 19,000 4,900 $ 297,600 $ 281,400 $ 147,000 148,800 190,000 97,000 173,000 76,000 $ (25,600) $ 118,000 $ (22,100) $ 11 $ 11