ard / My courses / ECON-115-002-10457.202210 / Sections / Online Exams / Midterm 2 on 18 If you want to know how an increase in the price of beer at John's Pub affects the demand for 5 71 K y at hamburger sales at John's Pub, you would compute the red ed out of Select one: O a. price elasticity of demand ag question O b. income elasticity of demand O c. micro-elasticity of demand O d. price elasticity of supply O e. none of the above