The consumer price index for Planet Econ consists of only two items: books and hamburgers. In 2015, the base year, the typical consumer purchased 10 books for $25 each and 25 hamburgers for $2 each. In 2017, the typical consumer purchased 15 books for $30 each and 30 hamburgers for $3 each. The consumer price index for 2017 on Planet Econ equals:

Question 16 Select one:

A. 1.00

b. 1.15

C. 1.25

D. 1.45