Ellen made a written offer to purchase real estate owned by the Melvins for $850,000 with closing to be within 12 days two days after Ellen made the offer. The Melvins made handwritten modifications to the terms of the agreement entitled, each change, sign the agreement and return it to Ellen when the Melvins had not heard from Ellen, the Melvin sued to enforce the purchase agreement. The Melvins will succeed because there is no deadline to accept the offer and they in Initialed, the changes succeeded because Ellen silence is an acceptance of the new terms not succeeded because their changes were a counter offer terminated their power of acceptance when received by Ellen succeeded because they returned the contracted accepted the offer with modifications