(1)Madam Choo instructed her agent Luqman to buy a house in Putrajaya for her. Luqman decided to purchase a fire insurance for the house even though there was no instruction from Madam Choo to do so. When he told Madam Choo about the insurance, she requested for time to consider whether to accept the contract for the insurance or not. She ratified the insurance 3 months after the contract was made but by that time, the house had already been destroyed by a fire.

Advise Madam Choo.

(2)Meera appointed Asad as her agent. She instructed Asad to sell two houses belonging to her at the current market value. According to their agreement, the houses should be sold within a year. After his appointment as an agent, Asad met with a terrible road accident. He became semi paralysed and cannot move without assistance.

Advise Meera on whether she can terminate Asad's appointment.

(3)Leslie went to Pick N Go Supermarket to buy some groceries. He saw a poster in the supermarket that read "Buy 3 packs of Oceania tissue paper and get 1 pack free". Leslie took 4 packs of Oceania tissue paper and went to the payment counter. The cashier informed him that the promotion had already ended and that he would have to pay for all 4 packets of the Oceania tissue paper. Leslie then decided to not buy the tissue papers, but the cashier insisted that he has to pay for all the 4 packs of the Oceania tissue paper.

Advise Leslie.

(4)On her way home from work, Dahlia's car had a flat tire. A bystander, Jay assisted Dahlia to change the tire.Grateful for Jay's help, Dahlia promised to pay RM100 to Jay. It has been a month and Dahlia has still not paid the money to Jay.

Can Jay sue Dahlia for the money?