Cost-Volume-Profit Relations: Missing Data Following are data from 4 separate companies. Supply the missing data in each indeper Case A Case B Case C Case D Unit Sales 1,000 800 Sales revenue $20,000 $ $ $60,000 Variable cost per unit $10 $2 Contribution margin $ $800 $ $10 $ $ Fixed Costs $8,100 $ $60,000 $ D Net income $ $600 $ $ Unit contribution margin $ $ $ $13 Break-even point (units) 4,000 2,000 Margin of safety (units) 100 1,000