Conversation in a Book Shop; Buying a Dictionary

Vijith:- I would like to buy a good English dictionary.
Could you suggest one?
Manager:- The best in my opinion is Oxford advanced learners dictionary.
Vijith:- Well, heard some discount is allowed during this season.
Could I get it for this dictionary too?
Manager:- Of course, you will get 15% discount.
Vijith:- What is the actual cost of the dictionary?
Manager:- One hundred and fifty only.
Vijith:- OK, I want one. Where should I pay the cash?
Manager:- There, at that counter.