[speaker001:] May I help you?
[speaker002:] Could I have a look at those pens?
[speaker001:] Certainly. These are thirty yuan each and these are twenty-five.
[speaker002:] Have you got anything a bit cheaper?
[speaker001:] How about these? They are nine yuan each.
[speaker002:] No, they're not quite what I want. Sorry to trouble you.
[speaker001:] Not at all.