Istanbul company sells two products with information as follows: The products are machine made. Three units of product A can be made with one machine hour and two units of product B can be made with one machine hour. The company has a maximum of 3,000 machine hours available per month. The company can sell up to 18,000 units of product A per month, and up to 3,000 units of product B for the month. What is the optimum product mix to maximize company's operating income? A) zero units of A and 3,000 units of B B) 6,000 units of A and 3,000 units of B C) 4,500 units of A and 3,000 units of B D) 12,000 units of A and zero units of B E) 1,500 units of A and 60,000 units of B