\"\"

\

The current CPI is \"\".

\

Inflation rate is \"\".

\

The CPI index is \"\".

\

Find the CPI index after five years.

\

Therefore, \"\".

\

Substitute all the values in above equation.

\

\"\"

\

       \"\"

\

       \"\"

\

        \"\"

\

         \"\"

\

Therefore,the CPI index after five years is \"\".

\

\"\"

\

The CPI index after five years is \"\".