please answer this one

Scenario 1 The defendant wrote to the plaintiff offering to sell him property for $1,800. The plaintiff responded by wire as follows "Send lowest cash price. Will give $1,600 cash." The defendant replied as follows: "Cannot reduce the price." Immediately after receipt of this telegram, the plaintiff wrote accepting the original offer. The general legal principle is that when an offer has been rejected it cannot be later accepted without the consent of the party who made the offer. Question: Is the defendant legally bound by the plaintiff 's ultimate acceptance of his offer