Suppose Y is the last two digits of your student number, p1 is equal to the third last digit of your student number and p2 equal the fourth last digit of your student number. Suppose p1 falls by 50 %. Calculate the compensating income Z that makes a consumer indifferent between the income and price vector (p1, p2, Y) and the new income and price vector

(Z, 5p1 ,p2)