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 more than one product is being sold in each of the four following case situations: Note: Loss amounts should be indicated by a minus sign. Case #1 Case #2 Case #3 Case #4 $ 458,000 $ 200,000 302,000 138,000 105,700 58,000 Sales Variable expenses Fixed expenses Net operating income (loss) $ 50,460 Contribution margin ratio (percent) 37 % < Required A 474,000 111,480 $ (21,700) % 84 % Required B >