Mrs. Black and her daughter Jane are in a store.   (: Clerk ) Clerk:Can I help you? Mrs. Black: I want a sweater for my daughter. Clerk: What color does she like? Mrs. Black (to Jane): What color do you like, dear? Jane: I like yellow. Clerk: Do you like this one? Jane: Yes, it's really beautiful. How much is it? Clerk: 80 dollars. Mrs. Black: It's too expensive  .  Clerk: Look at this blue one. It's only 30 dollars. Mrs. Black: I think the blue one is nice , too. Jane: But, Mom, I don't like blue. Mrs. Black: OK, we'll take the yellow one. Jane: Thank you, Mom. Clerk: Here you are. Mrs. Black: Thanks. Clerk: You're welcome. How much is the blue sweater?
80 dollars. 50 dollars. 30 dollars. 20 dollars.