Cost-Volume-Profit Relations: Missing Data Following are data from 4 separate companies. Supply the missing data in each 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 $10 0 Contribution margin $ 0 $ $800 0 $ 0 $ Fixed Costs $8,100 0 $ $60,000 0 Net income +A $ 0 $ $600 0 $ 0 Unit contribution margin $ 0 $ 0 $ 0 $13 Break-even point (units) 0 0 4,000 2,000 Margin of safety (units) 0 0 100 1,000