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 Assume that more than one product is being sold in each of the four following case situations: (Loss amounts should be sign.) Sales Variable expenses Case 1 Case 2 Case 3 Case 4 $ 446,000 $ 199,000 $ 298,000 123,380 95,360 Contribution margin Fixed expenses Net operating income (loss) $ 69,320 Contribution margin ratio (percent) 42 % < Required A 53,000 472,000 $ 107,740 $ (23,360) % 82% Required B 000