$\"\"$

\

The total Income is $\"\"$ .

\

Time period is $\"\"$ years.

\

Rate of interest $\"\"$ .

\

Find principal income compounded annually.

\

Compound interest is $\"\"$ .

\

For annually compounded $\"\"$ .

\

Substitute all the values in the equation.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Therefore,he prinicipal income is $\"\"$ .

\

$\"\"$

\

The prinicipal income is $\"\"$ .

\