answer: #Person2# spends six hundred and eighty yuan buying a racket with a cover that #Person1# recommends by credit.
documents: #Person1#: Would you like this one?
  #Person2#: I don't think that will do. How about the one at your back?
  #Person1#: This one?
  #Person2#: No, the other one. . . yes.
  #Person1#: This one is especially built for hard, continuous play. And every detail of workmanship and material has been carefully checked to make it a dependable one for tournament use.
  #Person2#: It do look beautiful. Well. I think I'll take it. Now do you have any racket covers?
  #Person1#: This cover comes with the racket.
  #Person2#: How much does it come up to?
  #Person1#: The mark says six hundred yuan, plus tax, it's six hundred and eighty yuan.
  #Person2#: Do you accept credit cards?
  #Person1#: Sure. If you'll just wait here, I'll be right with you in a minute.