Question

45) When 2,000 hamburgers a day are produced, the marginal social benefit from the 2000th hamburger is $1.50 and its marginal social cost is $1.00. And when 7,500 hamburgers a day are produced, the marginal social benefit from the 7,500th hamburger is $1.00 and its marginal social cost is $1.50. The efficient quantity of hamburgers is a day A) between 2,000 and 7,500 B) less than 2,000 C) more than 7,500 D) 2,000 E) zero