Cost$-$Volume$-$Profit Relations: Missing Data

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

Case ACase BCase CCase DUnit Sales$1,000800$Answer $1$

Answer $2$

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

Answer $4$

$$60,000$Variable cost per unit$$10$$$2$$$14$Answer $5$

Contribution marginAnswer $6$

$$800$Answer $7$

Answer $8$

Fixed Costs$$7,600$Answer $9$

$$100,000$Answer $10$

Net incomeAnswer $11$

$$300$Answer $12$

Answer $13$

Unit contribution marginAnswer $14$

Answer $15$

Answer $16$

$$19$Break$-$even point $($units$)$Answer $17$

Answer $18$

$4,0002,000$Margin of safety $($units$)$Answer $19$

Answer $20$

$1001,000$