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use the compound interest formulas a=p(1+r/n)^nt and a=pe^rt to solve numbers 11-15.
11. find the accumulated value of an investment of $10,000 for 5 years at an interest rate of 5.5% if the money is compounded semiannually.
12. find the accumulated value of an investment of $10,000 for 5 years at an interest rate of 5.5% if the money is compounded quarterly.
13. find the accumulated value of an investment of $10,000 for 5 years at an interest rate of 5.5% if the money is compounded monthly
14. find the accumulated value of an investment of $10,000 for 5 years at an interest rate of 5.5% if the money is compounded continuously.
15. suppose that you have $6000 to invest. which investment yields the greatest return over 4 years: 8.25% compounded quarterly or 8.3% compounded semiannually?