Quesiton: A monopolist has demand and cost curves given by: QD = 8,000 - 40P TC = 400 + 100Q + 0.1Q2 Fill in Multiple Blanks If rounding is required, round your answer to the whole number (i.e., do not show the decimal places). Enter the numerical value only, do not enter any symbols ($, €, %, etc.). The monopolist's profit-maximizing quantity is units and price is $ . At these price and quantity, the monopolist's profit is $