Answer:
B. Marginal social benefit is greater than marginal private benefit.
Explanation:
When consumption of a good generates a positive externality, the statement is true at the market equilibrium is marginal social benefit is greater than marginal private benefit. As we hold a perception of this permanence concerning some positive externality signifies that marginal social benefit remains higher aside from marginal private benefit. Ended consuming simply quantity Q, marginal social benefit is a higher marginal social cost, including higher of the good, should be absorbed.