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: es 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 Units sold Sales 9,000 15,000 20,400 5,600 $ 270,000 $ 375,000 $ 151,200 Variable expenses 135,000 183,600 Fixed expenses 92,000 162,000 77,000 Net operating income (loss) $ 43,000 $ Contribution margin per unit $ 15 S 48,000 $ 14 $ 169,800 $ (9,800) 12 12