On Septembet 'l, Jennings. a used-oar dealer. wrote a letter to Wheeler in which he stated. \"I have a 1955 Thunderbird oontrertible in mint condition that I will sell you for $13,506 at anyr time before October 9. [Signed] Peter Jennings.\" Ely Seotember 15. having heard nothing from Wheeler. Jennings sold the Thunderbird to another party. On September 29, Wheeler accepted Jennings's offer and tendered $13,590. When Jennings told Wheeler he had sold the ear to another party. Wheeler claimed Jennings had breached their oontraot. ls Jennings in breach? Explain