COMM 220 - Anahsis of Markets - Midterm - Winter 2019 then demand is 9. Consider the demand curve of the form Q - a- bp. If a is a positive real number, and b-o. a. Completely inelastic. b. Inelastic, but not completely. c. Unit elastic. d. Elastic, but not infinitely. 10. At the prevailing market price the income elasticity of demand for cola is 6. When income rises the demand curve for cola: a. Becomes less elastic at every price. b. Becomes less elastic only at the price that prevailed before the change in income c. Becomes more elastic at every price d. Becomes more elastic only at the price that prevailed before the change in income