If a monopolist can increase output and profit by engaging in perfect price discrimination, allocative efficiency will
A improve even though consumer surplus goes to zero
B Possibly improve or get worse depending on whether consumer surplus increases or decreases
C Possibly improve or get worse depending on whether consumer surplus increases by more or less than the increase in producer surplus
D Get worse because producer surplus increases by more than the increase in consumer surplus
E Be unchanged because although producer surplus increases, total surplus is unaffected