Following are data from $4$ separate companies. Supply the missing data in each independent case. Cost$-$Volume$-$Profit Relations: Missing Data

Following are data from $4$ separate companies. Supply the missing data in each independent case.

Case A Case B Case C Case D

Unit Sales $1,000800$ Answer $1$

Answer $2$

Sales revenue $$20,000$ Answer $3$

Answer $4$

$$60000$

Variable cost per unit $$10$ $$1$ $$12$ Answer $5$

Contribution margin Answer $6$

$$800$ Answer $7$

Answer $8$

Fixed Costs $$7,000$ Answer $9$

$$80,000$ Answer $10$

Net income Answer $11$

$$500$ Answer $12$

Answer $13$

Unit contribution margin Answer $14$

Answer $15$

Answer $16$

$$15$

Break$-$even point $($units$)$ Answer $17$

Answer $18$

$4,0002,000$

Margin of safety $($units$)$ Answer $19$

Answer $20$

$3001,000$