answer: #Person1# wants to place an ad to sell old books. David advises #Person1# to call Berne Li. #Person1# asks David the rates and thinks it is acceptable.
documents: #Person1#: David. have you ever placed an ad in the Campus Daily?
  #Person2#: Yes. I once did that to sell my bike I no longer needed.
  #Person1#: When was that?
  #Person2#: Last May. I think. Why do you ask?
  #Person1#: I'm thinking of selling my old book since I am going to graduate.
  #Person2#: Are they in good condition?
  #Person1#: Pretty good.
  #Person2#: Well. you can call Berne Li. He is the head of the advertising department of the paper.
  #Person1#: Do you know what rates they charge?
  #Person2#: Last May it was 10 yuan for the first 30 words and 50 fen for each word added.
  #Person1#: 10 yuan for the first 30 words. That is not too bad.
  #Person2#: Yeah. it's reasonable.
  #Person1#: Do they charge extra for pictures?
  #Person2#: No. that's free. But they do charge you more if you Want to put in a bow or something.
  #Person1#: I see. Thanks. That's very helpful.
  #Person2#: It's a pleasure.