Cost-Volume-Profit Relations: Missing Data Following are data from 4 separate companies. Supply the missing data in eaclh independent case 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 $13 $ Contribution margin $800 $ Fixed Costs $7,500 $ $80,000 $ Net income $700 $ $19 Unit contribution margin Break-even point (units) Margin of safety (units) $ 4,000 2,000 400 1,000