JSON-5952 Inc. produces Products X5, Y8, and Z9. The following table provides per unit information relating to the three products:

	Product
	X5	Y8	Z9
Selling price	$ 72.00	$ 60.00	$ 62.00
Variable expenses:
Direct materials	21.60	18.00	9.00
Other variable expenses	21.60	27.00	34.40
Total variable expenses	43.20	45.00	43.40
Contribution margin	$ 28.80	$ 15.00	$ 18.60
Contribution margin ratio	40%	25%	30%

JSON-5952 has enough demand to sell 1,000 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 6,600 pounds of the direct materials available every month.

What is the maximum contribution margin that JSON-5952 can earn per month using its 6,600 pounds of direct materials optimally?