read the question carefully and think about efficiency in monopolistic competition while answering this question. as firms enter and exit a monopolistically competitive market, what happens to productive efficiency in the long run? group of answer choices
a. the strongest firms will survive and the market will morph into an oligopolistic market.
b. productive efficiency will not be reached because in the long run, economic profits reach equilibrium.
c. prices will rise to unprecedented levels, and productive efficiency will be reached.
d. price will eventually intersect the average cost curve at a point where price > average cost, and productive efficiency will not be reached
