Question: Firm S is the only producer of a particular type of foam fire retardant and insulation used in the construction of commercial buildings. The inverse demand equation for the product is: P=1,500-.1Q where Q is the annual sales quantity in tons and P is the price per ton. The firm's total cost Function (in dollars) is: C=1,400,000+300Q+.05Q^2

A. To maximize profit, how much foam insulation should firm S plan to produce and sell? What price should it charge?
B. Compute the firm's total profit.