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 s minus sign.) Case #3 Case #1 453,000 $ $ $ Case #2 204,000 136,680 68,000 Case #4 299,000 101,660 Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin ratio (percent) $ $ $ 475,000 57,840 77% 53,610 37 % $ (35,660) % %