Can you explain how to answer this please

Fll 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 Complete this question by entering your answers in the tabs below. Required A Required B Assume that only one product is being sold in each of the four following case situations: Case #1 Case #2 Case #3 Case #4 15,000 10,000 6,000 Unit sold Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin per unit S 180,000 100,000 S 300,000 70,000 120,000 50,000 32,000 00,000 8,000 $ 12,000S(10,000) 10 $ 13 Required B>