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.) Case #1 Case #2 Case #3 Case #4 Unit sold Sales 10,000 14,100 20,600 4,400 $ Variable expenses 330,000 140,000 $ 338,400 $ 453,200 $ 140,800 155,100 247,200 83,600 Fixed expenses 98,000 160,000 81,000 87,000 Net operating income (loss) $ 92,000 $ 23,300 $ 125,000 $ (29,800) Contribution margin per unit $ 19 $ 13 $ 10 $ 13 < Required A Required B >