Example answer q three distributed 1.a. Price elasticity of demand = % change in quantity demanded % change in price In this case it is 4% −6% = (−1.5). 1.c. One reason why it is elastic may be because it has close substitutes in the form of other bars of chocolate. Answer for 1 is draw Q1 on diagram Example answer 1. These are two of the fundamental economic questions Example answer 1. Individual demand is the demand of one consumer whereas market demand is the total demand for a product