Given: CPI in 2006 = 160.0; CPI in 2007 = 170.5; CPI in 2008 = 172.4; CPI in 2009 = 168.2
a. Compute the inflation rate in 2007, in 2008, and in 2009.
b. Based on the given data and your computations above, we can say that deflation occurred in 2008: true or false? Explain.
c. Based on the given data and your computations above, in which year did disinflation occur?