On Sunday 7 January 2018, Ivan advertises his piano for sale in the newspaper for $10,000, giving his telephone number as contact. James sees the advertisement and he

contact Ivan and makes an appointment to see the piano on Tuesday 9 January 2018. James likes the piano very much, but cannot agree on a price, the highest price he can

pay is $9000, while Ivan insist on $10,000. On the Thursday 11 January 2018, James receives a letter from Ivan saying the he is willing to sell the piano at $9500, and that James can have until noon on Tuesday 16 January 2018 to think about it. On Monday 15 January 2018, James meets his friend Ben for lunch. Ben tells James that Ivan's girlfriend had bought the piano for $9000. After lunch, James goes home and post a letter to Ivan to accept the offer to sell the piano at $9500. He posts the letter immediately and Ivan receives it on Tuesday morning. Ivan writes a letter back to James that states, "I am sorry, I already sold the piano to my girlfriend.

Advice James!

This is the assignment of Business Law in Hong Kong. I would like to ask the opinion about this case. Thank you