Question 1 Briey explain how the following factors will affect the demand of Nokia Hand phone market and also the nal equilibrium price and output (draw a demand and supply diagram for each scenario): (a) National income has doubled. (5 marks) (b) People prefer to use Samsung smart phone now. (5 marks) (0) People expected the price of all hand phone to go up by 30% soon. (5 marks) (d) Increased popularity of Nokia hand phone. (5 marks) (e) Government gives each student RM300 to buy a new cell phone. (5 marks) [Total: 25 marks]