$\"\"$

\

The Prinicipal Income is $\"\"$ .

\

The purchased amount is $\"\"$

\

Time period is $\"\"$ years .

\

Find the average Inflation rate.

\

Purchased amount is $\"\"$ .

\

Substitute all the values in the equation.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Therefore, the rate of inflation is $\"\"$ .

\

$\"\"$

\

The rate of inflatio is $\"\"$ . .