Suppose the demand of city bus tickets has a price elasticity of demand of 1.5. This tells us that:  A) If the city increases the price of bus tickets by 10%, the percentage change in the quantity of bus tickets demanded will be less than 15%. B) If the city increases the price of bus tickets by 20%, the percentage change in the quantity of bus tickets demanded will be greater than 15% but less than 30% C) If the city decreases the price of bus tickets by 20%, the percentage change in the quantity of bus tickets demanded will be equal to 30% D) If the city decreases the price of bus tickets then the quantity of bus tickets demanded will also decrease since the price elasticity of demand is a positive number

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