answer: #Person1# increases their order and #Person2# decreases the price. They make the deal.
documents: #Person1#: Your prices seem a little high.
  #Person2#: We could make it lower for you. What's your counter-offer?
  #Person1#: We make a counter-offer to you of $ 150 per metric ton F. O. B. London.
  #Person2#: If you order in large lots, we'll accept the price.
  #Person1#: OK. We will increase our order.
  #Person2#: All right, as a token of friendship, we accept your counter-offer.
  #Person1#: I'm glad that we've settled the price.