XYZ company currently sells 15,000 units a month for $50 each, has variable costs of $20 per unit, and fixed costs of $300,000. The company is considering increasing the price of its units to $70 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. 10,000 c. 9,000 d. None of the given answers. e. 7,500