Q1 (10 points) Khamzat consumes burgers (x1 ) and sodas (2). Consider the CES utility function u($ 1, 12) = (2, + a?) (1/p), for a constant p > 0, where the price of burgers is 20 and soda is 2. Khamzat's income is 100. What is the demand functions for burgers and sodas? Khamzat becomes famous and the store owner recognizes him and decides to give him the burgers at cost, $12. What is the income and substitution effect