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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. Case 1 Case 2 Case 3 Case 4 Sales revenue $120,000 $100,000 $ 0 $ 0 Contribution margin $60,000 $ 0 $20,000 $ 0 Fixed costs $40,000 $ 0 $ 0 $ 0 Net income $ $5,000 $12,000 $ 0 Variable cost ratio 0.50 0 0.22 Contribution margin ratio 0 0.40 0 Break-even point (dollars) $ 0 $ 0 $25,000 $ Margin of safety (dollars) $ 0 $ 0 $20,000 $