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 $80,000 $Answer 0 $Answer 0 Contribution margin $60,000 $Answer 0 $20,000 $Answer 0 Fixed costs $30,000 $Answer 0 $Answer 0 $Answer 0 Net income $Answer 0 $5,000 $10,000 $Answer 0 Variable cost ratio Answer 0 0.50 Answer 0 0.20 Contribution margin ratio Answer 0 Answer 0 0.40 Answer 0 Break-even point (dollars) $Answer 0 $Answer 0 $Answer 0 $25,000 Margin of safety (dollars) $Answer 0 $Answer 0 $Answer 0 $20,000 Check