Answer: 10.2%
Step-by-step explanation:
The Consumer Price Index CPI is a method used to measure inflation, or how much value you can get for your money across different years. It does this by using a weighted average of the price of commonly used goods and services in a country. By comparing the CPI of one year against another, we can calculate inflation or deflation.
The formula to calculate inflation is:

=0.102 or 10.2%