answer: #Person1# accepts the carpet's price. #Person2# has the supply from stock, so They sign a contract.
documents: #Person1#: Can you tell me what the unit price of such carpet is?
  #Person2#: Of course, here is the catalogue and the price list. You can have a look. We also have many other kinds of carpets.
  #Person1#: The price seems acceptable for me. But I want to check whether you can supply the carpets now if we order some?
  #Person2#: Of course we can. We can provide the quantity you ask for.
  #Person1#: That's very good. Shall we sign a contract now?
  #Person2#: No problem. Let's check the terms of contract.