Perfect competition is efficient and monopoly is not, because in perfect competition __________, while in monopoly ___________. Select one: a. P = MC; P MC

Perfect competition is efficient and monopoly is not, because in perfect competition __________, while in monopoly ___________.

Select one:

a.

P = MC; P

b.

P = MC; P>MC

c.

P = MR; P

d.

P = MR; P = MC