1 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.) 1.33 points eBook References Required: a. Assume that only one product is being sold in each of the following four case situations: Unit sold Sales Variable expenses Fixed expenses Operating income (loss) Contribution margin per unit $ Case #1 15,000 180,000 $ 120,000 50,000 + $ $ Case #2 100,000 32,000 8,000 $ 10 $ Case #3 10,000 70,000 $ 12,000 $ 13 Case #4 6,000 300,000 100,000 (10,000) Check m