On 3 March 2008, Azman wrote to Benny offering to sell to Benny his yacht, Lightning, for RM1 million. The letter expressly stated that if Benny did not reply by 10 March 2008, he would be deemed to have accepted the offer.On 9 March 2008, Azman sent a letter to Benny revoking his offer. On 10 March 2008 Benny posted a letter to Azman accepting Azman’s offer. Azman’s letter of revocation reached Benny on 11 March 2008. Benny’s letter of acceptance reached Azman on 12 March 2008.Benny wishes to know whether there is a valid contract between him and Azman for the sale and purchase of the yacht, Lightning.Required:Advise Benny under the law of contract. (10 marks)

餐厅服务员在分鱼服务时，餐刀、叉、勺使用手法要得当，不得（）。