32. The perfect competitor's demand and marginal revenue curves are (LO5) a) identical only in the long run b) identical only in the short run c) never identical d) always identical 33. The most efficient output (LO7) a) is always equal to the most profitable output for the perfect competitor b) is never equal to the most profitable output for the perfect competitor c) is equal to the most profitable output for the perfect competitor only in the long run d) is equal to the most profitable output for the perfect competitor only in the short run