Cost-Volume-Profit Relations: Missing Data Following are data from 4 separate companies. Case A Case B Case C Case D Unit sales 1,200 800 ? $80,000 Variable cost per unit 10 $ 1 S 12 ? $82,000 ? $800 ? $450 ? 15 ? 4,0002,000 300 1,000 Margin of safety (units). .. Required Supply the missing data in each independent case. Cost-Volume-Profit Relations: Missing Data Following are data from 4 separate companies