please give the complete answer with all the calculations and explanations.

Suppose that you last received a raise in March 2012. Find and report the value of CPI for March 2012; find and report the latest available data for CPI. (I will not provide an exact link: part of the problem is looking up unfamiliar data. A good place to look for it would be the Bureau of Labor Statistics https://www.bls.gov or St. Louis Fred https://fred.stlouisfed.org) What is the percentage change in the purchasing power of your paycheck? (Ig- nore taxes in this question.) Suppose that you last received a raise in March 2012. Find and report the value of CPI for March 2012; find and report the latest available data for CPI. (I will not provide an exact link: part of the problem is looking up unfamiliar data. A good place to look for it would be the Bureau of Labor Statistics https://www.bls.gov or St. Louis Fred https://fred.stlouisfed.org) What is the percentage change in the purchasing power of your paycheck? (Ig- nore taxes in this question.)