answer: #Person2# is buying presents for a friend and #Person1# tells #Person1# to keep the receipt in case of any exchange.
documents: #Person1#: So that will be one teddy, two terry cloth robes, three pairs of satin slippers, and two pairs of pajamas.
  #Person2#: Does all that come to 10, 000 NT?
  #Person1#: Let me see. . . yes, more. That will be 15, 880 NT in total. And after the discount, your total comes to 12, 704 NT. Here's your free teddy bear, free panties and your card application.
  #Person2#: Where do I sign?
  #Person1#: Right here. And write your address. You'll get the card in the mail within a week.
  #Person2#: OK.
  #Person1#: I know your friend will like the gift set, especially the teddy bear.
  #Person2#: Well, the teddy bear is for me!
  #Person1#: Remember to keep your receipt in case your friend needs to make any exchanges. There are no refunds on sale items.