XYZ company currently sells 15,000 units a month for $50 each, has variable costs of $10 per unit, and fixed costs of $300,000. The company is considering increasing the price of its units to $60 per unit. If the price is changed, how many units will the company need to sell for profit to remain the same as before the price change? Select one:

a. 11,250

b. 7,500

c. 9,000

d. None of the given answers.

e. 12,000