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: (Loss amounts shou minus sign.) Case #1 Case #3 Case #4 Case #2 198,000 $ 454,000 $ $ 306,000 85,680 Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin ratio (percent) 128,700 61,000 471,000 67,230 $ 53,520 $ $ (13,680) % 38% % 77%