1.Scooter Braun, filed an application with the City of Boston for the use of the Boston Common to hold a concert on the evening of July 29.The application made on behalf of School Boy Records, was received by the Office of the Mayor on or about March 30.On March 31, the Office of Mayor mailed a signed contract after agreeing to rent the Boston Common for the evening requested.The agreement required the renter, School Boy Records, to sign the agreement and then return a copy to the Office of Mayor within five days of receipt.Braun received the contract offer, signed it on behalf of School Boy Records (he is the owner) and mailed it on April 3.At 6:30pm on the evening of April 4, Braun received a telephone call from Mayor Walsh revoking the rental offer.Braun stated during his conversation with Mayor Walsh that he had already signed and mailed the contract.The Office of Mayor sent a written confirmation of the withdrawal on April 5.On April 6, the Office of Mayor received by mail the signed contract dated April 3.Does a binding contract exist?Explain.