As a result of increased competition (higher number of firms n) in a monopolistically competitive industry, A. low minus cost firms thrive and increase their profits and market shareslow−cost firms thrive and increase their profits and market shares. B. low minus cost firms contract and the lowest minus cost firms exitlow−cost firms contract and the lowest−cost firms exit. C. the vertical intercept of the individual demand curve increasesthe vertical intercept of the individual demand curve increases. D. overall productivity in the industry decreasesoverall productivity in the industry decreases.