Graph 15-4 This Graph Depicts the Demand and Marginal-Cost

Multiple Choice

Graph 15-4 This graph depicts the demand and marginal-cost curves of a profit-maximising monopolist.Use the graph to answer the following question(s) .
-Refer to Graph 15-4.A benevolent social planner would cause the monopoly firm to operate at an output level:

A) above q₀
B) equal to q₀
C) below q₀
D) equal to zero