1. When the price of personal training in $30 per session. Judy trains 22 clients per week. When the price is $50 per session, Judy trains 31 clients per week. Given this information and using the midpoint method, we know that his supply of personal training is

A) inelastic

B) elastic

C) unit elastic

D) Perfectly inelastic

You and your college roommate eat three packages of Ramen noodles each week. After graduation last month, both of you were hired at several times your college income. Your roommate still enjoys Ramen noodles very much and buys even more, but you plan to buy fewer Ramen noodles in favor of foods you prefer more. When looking at income elasticity of demand for Ramen noodles, yours would a) be negative and your roommate's would be positive. b) be positive and your roommate's would be negative. c) be zero and your roommate's would approach infinity. d) approach infinity and your roommate's would be zero