F: I just bought a new dress. What do you think of it? ,M: You look really great in it. So are you going to a job interview or a party? ,F: No, I was invited to give a talk in my school. ,M: So how much did you pay for it? ,F: I pay just $70 for it. I saved $30. ,M: That's really a bargain.
(A) F: I got a 10%. (B) F: I got a 20%. (C) F: I got a 30%. Very happy. (D) F: I’m sorry, I don’t understand. Could you say it again?
C