Pineapples Co.. manufactures two types of smartphone: Selling Price Variable Cost AB200 $400 $280 YZ400 $450 $300 1 unit of AB200 production requires 1 hour and 30 minutes of machine production time, 1 unit of YZ400 requires 2 hours of machine production time. The companys production capacity is 12 production hours daily, 20 days a month. Demand for AB200 is 120 units monthly and for YZ400 is 100 units monthly. How much is the total contribution margin with the best sales mix? PRESENT YOUR ANSWER ROUNDED TO ZERO DECIMAL PLACES. DON'T USE COMMA. EXAMPLE IF YOUR ANSWER IS 6,502.76, JUST WRITE 6503