(240)-343-2585

Suppose you want to create a price index for the price of a particular physics textbook over 10 years in your university bookstore. The price of the book on September 1 of each year is as follows:YearPrice ($)YearPrice ($)20098520151202010872016125201194201712720121042018127201311020191302014112a. The base year is 2009. Construct a physics textbook price index.b. What is the percentage increase in the price of the book between the base year and 2014?c. What is the percentage increase in the price of the book from 2016 to 2019?d. Are the data listed above time-series or cross-sectional data? Explain why.