Use the following information to answer this and the following few questions:

Trendy Company manufacturers and markets one product with the following related information:

• Sales price is $30 per unit.
• Variable cost is $21 per unit.
• Fixed cost is $90,000 per month.
• Sales volume for June is 12,000 units.

How many units need to be sold to achieve a profit of $72,000?

Group of answer choices

24,000

16,000

18,000

20,000