Fill in the missing amounts in each of the following eight case situations. Treat each case independently. (Hint One way to find the missing amounts would be to prepare a contribution margin income statement for each case, enter the known data, and then compute the missing items.) a. Assume that only one product is being sold in each of the following four case situations: (Negative amounts should be indicated by a minus sign. Enter your contribution margin answers as per unit dollar values. Enter your answers rounded to the nearest whole number.) Variable Contribution Fixed Net Income Case Units Sold Sales Expenses Margin Expenses (Loss) 16,000 $ 224,000 150,000 1 $8 per unit 54,000 2 40% $35 per unit 70,000 22,000 3 10,000 15 11,000 235,000 $31 per unit 92,000 (12,000) b. Assume that more than one product is being sold in each of the following four case situations: (Negative amounts should be indicated by a minus sign.) Average Contribution Margin (percentage) Fixed Expenses Variable Net Income Case Sales Expenses (Loss) $ 480,000 25 5,000 2 430,000 279,500 111,500 18,000 (3,000) 3 70 157,000 4 640,000 480,000