Question 20Cross elasticity of demand can be expressed mathematically as: A.(Percentage change in quantity of the commodity X) / (Percentage change in quantity of commodity Y)B.(Percentage change in quantity demanded) / (Percentage change in price)C.(Percentage change in the quantity demanded of the commodity X) / (Percentage change in the price of the commodity Y)D.(Percentage change in quantity demanded) / (Percentage change in income)Objective Show full explanation