Answer the following questions giving explanation.

Consider the demand equation: OD = 1,000,000 P (i) Calculate the quantity demanded at a price of 500. (Hi) Calculate the quantity demanded if the price rises by 0.01. (iii) Show that the price elasticity of demand is equal to -1.The mortality of a certain population is governed by the life table function /, = 100-X, 05 x$ 100. Calculate the values of the following expressions: (i) 10 P3o [1] (ii) [2] (iii) P(730