answer: #Person1# persuades #Person2# to make a discount, #Person2# agrees to offer the lowest price.
documents: #Person1#: Well, to come straight to the point, could you tell us something about your new price?
  #Person2#: Most willingly. It's 600 dollars per ton.
  #Person1#: That's a high price.
  #Person2#: But you know, the price of this article has soared up since last year.
  #Person1#: I know. But I must say it's still unacceptable. Couldn't you make a discount for me? You see, we have such a long-term cooperation. And our business could be mutually beneficial.
  #Person2#: OK. I can make a special offer for you. This price is based on careful calculations. And it is the lowest price we can offer to you.