5. How does a competitive market compare to a monopoly that engages in perfect price discrimination?
(A) In both cases, total social welfare is the same.
(B) Total social welfare is higher in the competitive market than with the perfectly price discriminating monopoly.
(C) Total social welfare is higher in the perfectly price discriminating monopoly than the competitive market.
(D) In both cases, some potentially mutually beneficial trades do not occur.
(E) Consumer surplus is the same in both cases.
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