Bricktan Inc. manufactures three products, basic, classic and deluxe. The maximum that Bricktan can sell is 80,000 basic units, 428,000 classic units and 130,000 luxury units. Bricktan has a limited production capacity of 94,000 hours. It can produce 10 units of basic, 8 units of classic and 4 units of luxury per hour. The contribution margin per unit is $15 for the basic, $25 for the classic and $55 for the deluxe. 

What is the total contribution margin if Bricktan chooses the most profitable sales mix?