graph shown. What level of output should the perfectly competitive firm produce to maximize profits? A line graph plots price versus quantity for three curves.A line graph plots price, which ranges from 0 to 700 dollars with an increment of 50 dollars, against quantity, which ranges from 1 to 12, with an increment of 1, for two ascending curves M C and A V C, which intersect with a descending curve labeled A T C. A line on the Y axis 350 dollars is labeled P equals M R. Multiple Choice 7. 8. 6. 4