please answer the following

A company has fixed costs of $300,000 and produces one product with a selling price of $72.00 and a variable cost of $42.00 per unit. The maximum factory capacity is 20,000 units and it anticipates selling 15,000 units. Determine the break-even point of operation. How much profit will they make: at the present level of operation? if sales increase to the maximum that the factory can supply? Determine the profit if the factory produced only 7500 units. Explain the result obtained in part C