In an oligopoly market, there is (are) ________ seller(s)

Why would private business be considered more efficient than public agencies?

Please provide the best answer for the statement.

A promoter might charge less than the profit maximizing ticket price because

A. she knows that the facility has absolutely no alternative use on the day of the event. B. the talent that she represents may wish to play to a full arena for their own ego. C. like most promoters, she has deeply-felt charitable instincts. D. all of the options are correct.