For each of categories (a), (b) and (c), do you expect demand to be elastic or inelastic? (a) Milk,.

For each of categories (a), (b) and (c), do you expect demand to be elastic or inelastic? (a) Milk, dental services, beer; (b) chocolate, chicken, train journeys; (c) theatre trips, tennis clubs, films. Then rank the elasticities within each category. Explain your answers.