graph shown. The profit-maximizing monopolist would sell its output at price: A line graph plots price versus quantity for two curves and two lines.A line graph plots price against quantity for two descending lines, M R and D, which intersect with two ascending curves, M C and A T C. Four intersection points are at (p1, q1), (p2, q2), (p3, q3), and (p4, q4). Multiple Choice P1. P2. P3. P4