$\"\"$

The current CPI for $\"\"$ is $\"\"$ .

Inflation rate is $\"\"$ .

The CPI index is $\"\"$ .

Find the CPI index in the year $\"\"$ .

$\"\"$ .

Substitute all the values in above equation.

$\"\"$

Therefore,the CPI index in the year $\"\"$ is $\"\"$ .

$\"\"$

The CPI index in the year $\"\"$ is $\"\"$ .