the difference between monopolistic competition and perfect competition is that in comparison to perfect​ competition, monopolistic competition has a. more​ firms, product​ differentiation, some price​ control, and relatively easy but not​ barrier-free entry. b. fewer​ firms, product​ differentiation, some price​ control, and relatively easy but not​ barrier-free entry. c. fewer​ firms, no product​ differentiation, price​ control, and relatively​ easy, barrier-free entry. d. more​ firms, no product​ differentiation, some price​ control, and relatively​ easy, barrier-free entry.