10. Each of the following is an example of price discrimination except (LO4) a) airline "youthfares" b) higher-price movie tickets after 5:00 p.m. and on weekends c) doctors charging more to patients who need lab tests d) A&P's old grades A, B, and C 1 1. In the long run in monopolistic competition (LO1) a) most firms make a profit b) the absence of entry barriers ensures that there are no profitsIng bong deal ono snigers ta c) economies of scale ensure that there are no profits d) most firms lose money anoteauribs