Situation : Don is looking for a birthday gift for his mother. He is at a bookstore.
Sales Assistant : Good morning. How can I help you ?
Don : Im trying to find a gift for my mother.
SA : Do you have 16 ?
Don : Perhaps a good novel.
SA : 17 ?
Don : She reads everything. But 18 .
SA : Ah, 19 Im pretty sure she will love The DaVinci Code. Its a rather new mystery.
Don : Shes already read it. I brought her a copy last summer. 20 ?
SA : we do 21 . The story is about the plot against the Vatican in Rome.
Don : Very interesting indeed. I think my mother will like it. 22 ?
SA : Oh yes. 23 . I read the book twice !
Don : Wow ! 24 . How much is it ?
SA : All books are on sale right now after a twenty percent discount. So its only 250 bath.
Don : 25 ?
SA : Yes, all major credit cards are accepted.