When the Marginal Social Cost of the Production of Good

Multiple Choice

When the marginal social cost of the production of Good A is greater than the marginal private cost of the production of Good A,then

A) a competitive,unregulated market produces less than the efficient quantity of Good A.
B) a competitive,unregulated market produces the efficient quantity of Good A.
C) a competitive,unregulated market produces more than the efficient quantity of Good A.
D) the government should levy a tax on the production of Good A that is equal to the horizontal distance between the two marginal cost curves.
E) a competitive,unregulated market does not create a deadweight loss.