A photography buff wrote a letter to his brother-in-law offering to sell him his camera for $1,500, because he knew that he had admired it for a long time. The day after the brother-in-law received the letter, he mailed a letter back to the photography buff agreeing to purchase the camera equipment for $1,500. The next day, after describing the camera to a friend who was very knowledgeable about photographic equipment, the brother-in-law learned that the camera was second-rate and not worth more than $1,200. He immediately telephoned the photography buff and told him that he had no interest in buying the camera. The photography buff received his brother-in-law's letter agreeing to purchase the camera equipment a day after receiving the phone call. If the photography buff brings an action against his brother-in-law for breach of contract, and the brother-in-law defends on the grounds that no contract was formed, how should the court rule