please explain how you got the answer

4. Oruro Chemical Corporation manufactures a variety of household cleaners, solvents, and beverages. Because of a recent shortage of mytron, a key ingredient needed for three of its products, the corporation has to decide what amount of each product would be most advantageous to produce. Information related to the three products that use mytron are shown below: Contribution margin per case. Contribution margin ratio Mytron required per case (in ounces) Maximum monthly demand (in cases). Hand Soap $24 50% 3 500 Paint Remover $20 70% 5 200 Root Beer $12 60% 2 2,000 Assume that Oruro only has 6,000 ounces of mytron available next month. What is the maximum amount of contribution margin that Oruro can generate next month from the three products above given the shortage of mytron?| A) $38,000 B) $13,500 C) $21,000 D) $2,400