A wrote to B offering to sell him a block of shares in Ahsan Ltd. In his letter, which arrived on Tuesday, A asked B to let me know by next Saturday.On Thursday Basma posted a reply accepting the offer. At 6pm on Friday she changed her mind and telephoned A was not there but her telephone answering machine recorded Basma's message stating that she wished to withdraw her acceptance. On Monday A Opened Basma's letter, which arrived that morning, and then played back the message on the machine. what is the result? is there a contract?