A Monopolistically Competitive Firm Usually Charges Less Than a Monopoly

A monopolistically competitive firm usually charges less than a monopoly firm because

A) it is part of a group of firms that has formally agreed to control the price and the output of a product.
B) its primary goal is to reap monopoly profits by replacing competition with cooperation.
C) producing homogenous output is more expensive than producing differentiated output.
D) it faces some degree of competition due to low barriers to entry.
E) it has a monopoly,but potential entrants exist in the form of contestable markets.