The graph displays the marginal cost, average total cost, and marginal revenue curves for a perfectly competitive firm. What is the market price?

The horizontal axis represents Quantity, ranging from 0 to 200 in increments of 10 units. The vertical axis represents S, ranging from 0 to 17 in increments of 17 units. From the Y-axis, a horizontal line labeled M R is drawn at 12. The graph plots two intersecting curves labeled as M C and A T C.

Multiple Choice $120 $14 $8 $12