Mr. Henry from Handsome Sdn Bhd wishes to sell his business to Mr. Macho for RM 2,000,000. He wrote a letter of offer to Mr. Macho on 20th June 2018 stating that if Mr. Macho agrees with the offer and responds through a letter of acceptance within two weeks by 4th July 2018, the business will be sold to him. Mr. Macho decided to accept the offer however he still needs his business partners to agree on the deal. He then letter to Mr. Henry on 26th June 2018 indicating that he want buy his business. On 28th June 2018, Mr. Henry has a meeting with his partners to discuss on buying Mr. Henry business but his proposal was rejected by his partners. Mr. Macho then quickly an e-mail to Mr. Henry to revoke his letter of acceptance on 29th June 2018. At the same time, Mr. Macho also sent a letter revoking his offer on the same day. However, Mr. Henry is with his family on vacation and did not read the e-mail sent by Mr. Macho.

Discuss the issues in relation to offer, acceptance and revocation with support of relevant authorities.