a) Azlina agreed to sell her diamond earnings valued at Rm10,000 to Razi for Rm1,000. After Razi had paid the money, Azlina changed her mind and refused to hand over the earrings. Advice Razi.

b) Arman is a patient at a mental hospital. During intervals when Aman was of sound mind, he agreed to sell his camera to Dafi, the hospital cleaner for rm400. However, after being declared healthy and was discharged from the hospital, Arman refuses to conclude the contract on the ground of mental incapacity. Discuss the legal status of such contact.