A company produce three products with the following costs and selling prices: The company has a limit of 14, 600 machine hours available per month. The company has a monthly fixed cost of $30,000. The demand for each of the products it 2, 500 units per month The company's goal it to maximize its profitability. Suppose the company can rent a machine that will provide an additional 800 machine hours per month. What it the maximum monthly rent the company would be willing to pay for this machine? a. $2,000 b. $4, 200 c. $2, 400 d. $1, 200 e. $2, 800