Use the compound interest formulas

A=P(1+\frac{r}{n})^n^t

and

A=P e^rt

to solve the problem given. Round answers to the nearest cent.Find the accumulated value of an investment of

$15,000

for

4

years at an interest rate of

5%

if the money is a. compounded semiannually;

b.

compounded quarterly;

c.

compounded monthly; d. compounded continuously.