Which of the Following Is a Difference Between an Oligopoly

Multiple Choice

Which of the following is a difference between an oligopoly with differentiated products and a monopolistically competitive market?

A) There are no barriers to entry in an oligopoly with differentiated products, while there are huge barriers to entry in a monopolistically competitive market.
B) There are huge barriers to entry in an oligopoly with differentiated products, while there are minimal barriers to entry in a monopolistically competitive market.
C) Firms in an oligopoly with differentiated products charge a price higher than marginal cost in the long run, while firms in a monopolistically competitive market charge a price lower than marginal cost in the long run.
D) Firms in an oligopoly with differentiated products charge a price lower than average total cost in the long run, while firms in a monopolistically competitive market charge a price higher than average total cost in the long run.