answer: #Person2# buys bread and a coca-cola at #Person1#'s shop.
documents: #Person1#: May I help you?
  #Person2#: What's the price of the bread?
  #Person1#: 2. 50 Yuan.
  #Person2#: And how much is the coca cola?
  #Person1#: 3. 00 Yuan.
  #Person2#: Here is ten Yuan.
  #Person1#: Here is your change, please.
  #Person2#: Thank you.
  #Person1#: Welcome to my shop next time.