solve with steps if possible

Fill in the missing amounts in each of the eight case situations below. Each case is independent of the others. (Hint: lOne way to nd 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: Sales $ 270.400 $ 320.000 _ Variable expenses 132.400 ___ Fixed expenses 37.000 ___ Contribution margin per unit b. Assume that more than one product is being sold in each ofthe four following case situations: ___ ___ ___ __ ___ Variable expenses Fixed expenses Net operating income (loss) Contribution margin ratio (percent)