Department A produces product A1. A1 can be sold to internal or outside parties.
Department B produces product SAM.
Prodcution information is as follows.
Dept.A				Dept B
Total fixed cost $1500000				Total fixed cost $25000
Variable cost per unit $175				Variable cost per unit (excluding transfer price) $350
Both departments have extra production capacity. The market demand is as follows.
1. For A1, 4500 units can be sold at $350 per unit. selling price will be changed $1 for every 5 units sold.
2. For SAM, 500 units can be sold at $1100 per unit
Selling price per unit will be changed $75 for every 125 units sold.
Dept A uses the market price as the transfer price to Dept B.
Calculate selling price of SAM for the maximum profit.