Answer:
1,336,500 units
Explanation:
Selling price per unit $8
Less variable cost $6.40
Contribution per unit $1.60
Fixed cost $518,400
Target net income $ 1,620,000
Total amount required $2,138,400
Sales unit required = total amount required / Contribution per unit
= $2,138,400 / $1.60
= 1,336,500 units