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 B Assume that more than 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 Sales $ 441,000 $ 209,000 $ 301,000 Variable expenses 127,490 90,300 Fixed expenses 56,000 467,000 Net operating income (loss) $ 45,760 $ 103,720 $ (12,300) Contribution margin ratio (percent) 36 % % 82 % % < Required A Required >