Ali Khan goes to the pub after work on Friday evening, after a long, liquid lunch. He drinks alcohol for another couple of hours by which time he is quite drunk. His workmate, Muhammad, does not drink alcohol, but has had orange juice instead, and is quite sober. They have been talking about Ali Khan's new entertainment system that cost him $20,000.00 that unfortunatelyAli Khan is having enormous difficulty setting up. Muhammad says toAli Khan that he'll buy it for $2,000.00 and Ali Khan agrees. Muhammad drivesAli Khan home in his van and takes the home entertainment system.

The following dayAli Khan goes to Muhammad's place and tries to return the money and recover his entertainment system.

1) Advise Muhammad and cite a relevantcontract case law.