The Efficient Quantity of a Public Good Produced Is _____

The efficient quantity of a public good produced is _____

A) determined by the intersection of the market demand curve and the marginal cost curve.
B) achieved where the sum of marginal valuations equals the sum of marginal costs.
C) determined by the intersection of the market demand and market supply curves.
D) achieved where marginal revenue product equals marginal factor cost.
E) achieved at the minimum point of the average total cost curve.