if-the-marginal-social-benefit-of-a-lighthouse-is-30-and-the-marginal-social-cos

Question

If the marginal social benefit of a lighthouse is $$30 and the marginal social cost is 30$$, what is the optimal quantity of the lighthouse service?

Accepted Answer

The quantity where marginal social benefit equals marginal social cost.

Answer

The quantity where marginal social benefit is greater than marginal social cost.

Answer

The quantity where marginal social benefit is zero.

Answer

The quantity where marginal social cost is greater than marginal social benefit.

If the marginal social benefit of a lighthouse is \$30 and the marginal social cost is \$30, what is the optimal quantity of the lighthouse service?