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 $80,000 $ 0 $ 0 Contribution margin $40,000} $ 0 $30,000 $ 0 Fixed Costs $27,000 $ 0 $ 0 $ 0 Net income $ 0 $4,000 $6,000 $ 0 Variable cost ratio 0 0.50 0.20 Contribution margin ratio 0 0 0.40 0 Break-even point (dollars) $ 0 $ 0 $ 0 $30,000 Margin of safety (dollars) $ 0 $ 0 $ 0 $30,000