A: Good morning!                     ?
B: Yes, please. I'd like to buy a shirt for my mother.
A:               ?
B: My mother likes blue best. Do you have any blue shirts here?
A : Of course! How about this one?
B: Oh, I think it’s very nice. ___________ ?
A: 80 yuan. It is very cheap.
B: OK! _________ . Here’s the money. Thank you.
A: ________.