The CPI has the following annual averages: Year Index 2009 201.6 2010 207.3 2011 215.3 2012 212.5 2013 217.6 A) For each year from 2010 to 2013, determine the annual inflation rate. B) Estimate the overall average annual inflation rate per year from 2010 to 2013. You can use Excel to solve this problem.