VOn 1^st September 2020, Mr. Guava make an advertisement in the newspaper to sell his apartment with the price of RM150,000. In the advertisement stated that anyone who interested to buy the apartment may contact him for further negotiation and price quotation. A few hours after that, Miss Grape call Mr. Guava and ask for the apartment’s details and the lowest price Mr. Guava was able to offer her. Mr. Guava reply to Miss Grape’s request and the apartment’s lowest price will be RM145,000.