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: Caso #1 Case #3 $ 444,000 Case #2 207.000 136,620 $ Case 4 307.000 89,030 Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin ratio (percent) 66,000 $ 63,040 $ 469,000 60,500 75% $ (12,030) % 41% %