Cost-Volume-Profit Relations: Missing Data Following are data from 4 separate companies. Supply the missing data in each independent case. Case 1 Case 2 Case 3 Case 4 Sales revenue $100,000 $70,000 $ $ Contribution margin $40,000 $ $30,000 $ Fixed Costs $23,000 $ $ $ Net income $ $7,000 $6,000 $ Variable cost ratio 0.20 Contribution margin ratio 0.40 Break-even point (dollars) $ $20,000 Margin of safety (dollars) $ $20,000 0.50 $ $ $ $ $