10-19. In Class, 10–25 Minutes for Teams For each of the following products, determine at least three different prices that might be charged. Then, survey each of the individuals within your group to find out how much of each product they would buy at each price point for each of the products. For each product, calculate the price elasticity of demand to determine whether the demand is elastic or inelastic.

a. Cups of coffee per month

b. Movie tickets per month

c. Concert tickets per year