A company produces Products X5,Y8, and Z9. The following table provides per unit information relating to the three products: The company has enough demand to sell 900 units of each product per month. Each product requires the same direct materials in its production. The direct materials cost $3 per pound. The company will at most have 5,400 pounds of the direct materials available every month. What is the maximum contribution margin that the company can earn per month using its 5,400 pounds of direct materials optimally? multiple choice $27,520 $25,020 $7,200 $17,820