Answer:
c. 4,200 Units
Step-by-step explanation:
The computation of units to be sold is shown below:-
For computing the units to be sold first we need to find out the Contribution Margin Per Unit and Required Contribution Margin which is shown below:-
Contribution Margin Per Unit = Selling Price Per Unit - Variable Cost Per Unit 
= $36.50 - $24 
= $12.50 
 Required Contribution Margin = Fixed Cost + Required Profit ÷ Loss 
= $60,000 - $7,500 
= $52,500 
 Units to be sold to achieve the target = Required Contribution Margin ÷ Contribution Margin Per Unit 
= $52,500 ÷ $12.50 
= 4,200 Units