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 Case #1 Case #2 Case #3 Case #4 8,500 20,800 5,100 $ 272,000 $ 305,800 $ 153,000 127,500 312,000 Variable expenses Contribution margin Fixed expenses 86,000 178,000 89,000 Net operating income (loss) $ Contribution margin per unit $ (11,200) $ 12 $ 87,400 $ (38,000) 8 < Required A Required B >