\"\"

\

From the given data : P = $12,000 and r = 3.5%.

\

r = \"\".

\

Formula for continuous compounding : \"\".

\

\"\"

\

Compounding per 10 years, the balance is : \ \

\

\"\"

\

Compounding per 20 years, the balance is :

\

\"\"

\

Compounding per 30 years, the balance is :

\

\"\"

\

Compounding per 40 years, the balance is :

\

\"\"

\

Compounding per 50 years, the balance is :\"\"

\

\"\"

\

\"\"

\

The table for compound interest is :

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
t       10 \

      20

\
\

       30

\
\

     40

\
    50
\

A

\
\

$17028.81

\
\

$24165.03

\
\

$34291.81

\
\

$48662.4

\
\

$69055.23

\
\

\"\"

\

The table for compound interest is : \ \

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
t       10 \

      20

\
\

       30

\
\

     40

\
    50
\

A

\
\

$17028.81

\
\

$24165.03

\
\

$34291.81

\
\

$48662.4

\
\

$69055.23

\
\