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Cost-Volume-Profit Relations: Missing Data Following are data from 4 separate companies. Supply the missing data in each independent case. Round unit contribution margin answers to two decimal places. Use rounded unit contribution margin answers for subsequent computations. Round UP break-even point units. Case A Case B Case C Case D Unit Sales 1,200 800 Sales revenue $20,000 $ $80,000 Variable cost per unit $10 $1 $12 $ Contribution margin $800 $ $ Fixed Costs $7,000 $ $82,000 +A Net income $450 $ $ Unit contribution margin LA $ $ $15 Break-even point (units) 4,000 2,000 Margin of safety (units) 300 1,000