Fill in the missing amounts in each of the eight case situations below. Each case is independent of the others. (Hint: One way to find the missing amounts would be to prepare a contribution format income statement for each case, enter the known data, and then compute the missing items.) 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: (For all requirements, Loss amounts should be indicated by a minus sign.) 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: Case #3 Case #1 459,000 $ $ $ Sales Variable expenses Case #2 203,000 129,920 68,000 Case #4 307,000 101,310 12 Fixed expenses 470,000 63,610 $ 71,600 $ $ (12,310) Net operating income (loss) Contribution margin ratio (percent) 40% Required A Required B )