The following table show the relationship between the price of product A and the quantity demanded for products X & Y. Price of X DD for X DD for Y Consumers' (RM) (unit) (unit) income (RM) 8 120 35 2500 8.5 110 45 2300 9 90 65 2100 9.5 60 85 1900 10 30 100 1700 a) Calculate the price elasticity of DD for X, if the price of X increases from RM9.00 to RM10.00 per unit, and indicate whether the DD is elastic or inelastic? b) Calculate the cross elasticity of DD for Y when the price of X decreases from RM9.50 to RM8.50. Are X and Y complements or substitutes goods? c) Calculate the income elasticity of DD for X and Y when the income of consumers increases from RM1900 to RM2300. What the types of products are X and Y