Answer:
The correct answer is B
Step-by-step explanation:
Resources are used efficiently in the sunhat market because when marginal social benefit equals marginal social cost, total surplus is maximized. Thus, From the given four options only the option B is the correct option.
MSC = Marginal Social cost
MSB = Marginal Social Benefit
It is becuase in the competitive market, the quantity that is supplied in the market in same to the quantity which is demanded.