The Mad Hatter Company owns a machine that manufactures two types of chimney caps. Production time is 0.50 hours for cap A and 0.40 hours for cap B. The machine's capacity is 2,000 hours per year. Both products are sold to a single customer who has agreed to buy all of the company's output up to a maximum of 1,000 units of cap A and 6,000 units of cap B. Selling prices and variable costs per unit are shown below. Based on this information, what is the Mad Hatter's most profitable sales mix? Cap B Selling price per unit $80 $60 Variable costs per unit 53 42 10,000 units of cap A. 1,000 units of cap A and 3,750 units of cap B. 1,000 units of cap A and 5,000 units of cap B. 5,000 units of cap B.