On 1st August 2006, Samy received a written offer from Chong for the purchase of Samy's antique gramophone for the sum of RM15, 000. The letter expressly stated that if Samy did not reply within two weeks, Chong would presume that Samy had accepted the offer. Samy did not reply. Chong now claims that there is a binding contract between him and Samy. Advise Samy on his legal position.