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.) Case Units Sold Variable Expenses Contribution Margin Fixed Expenses Net Income (Loss) Sales $224,000 1 $ 47.000 2 124,600 40% 28,000S 12,000 3 93,000 350,000 (9.000) 4 16,000 9,700 $6 per unit $23 per unit 77.600 $38 per unit 13 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.) Case Sales Variable Expenses Average Contribution Margin (percentage) Fixed Expenses Net Income (Loss) 1 $ 490,000 15 $ 8,000 2 390,000 3 70 20,000 4 560,000 (5,000) 234,000 364,000 117,000 155,000