JSON-1442 Inc. produces Products X5, Y8, and Z9. The following table provides per unit information relating to the three products: Selling price Variable expenses: Product Y8 $ 66.00 16.50 29 X5 $ 80.00 $ 72.00 Direct materials 24.00 12.00 Other variable expenses 24.00 Total variable expenses. 48.00 33.00 49.50 38.40 50.40 Contribution margin $ 32.00 $16.50 $ 21.60 Contribution margin ratio 40% 25% 306 JSON-1442 has enough demand to sell 700 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 JSON-1442 can earn per month using its 5,400 pounds of direct materials optimally? O $ 15,120 O $ 10,400 O $28,020 $ 25,520