• Abdullah agreed with a contractor to install a cooling system at his home costing 20000 Riyals. Before work started, he paid him 1000 Riyals, and the rest was due after work is finished. After installation is complete, Abdullah discovered some defects in the system. He approached the contractor, who did not deny the defects and offered Abdullah a discount of 3000 Riyals. Both parties agreed on the new term. Is the contract now discharged? on what basis? 

• Nabeel is a drama writer. He was approached by Alnojoom production company to write a series. They had initial meetings and agreed on the plot, number of episodes and deadlines. After Nabeel has started on the necessary research and formed the initial document for the series, Alnojoom decided to abandon the series. is Nabeel entitled to any payment? on which basis? discuss. 

• Ahmed signed a contract to buy a motorcycle from Harly Davidson. But Ahmed was not feeling well at that time. He came directly from the hospital after receiving a painkiller known for impairing one's judgments. Now, he feels that some of the terms and conditions of the contract are not in his favor. In your opinion, is this contact void, valid or voidable. Explain.