Use graphical approximation techniques to answer the question. when would an ordinary annuity consisting of ...

Use graphical approximation techniques to answer the question. when would an ordinary annuity consisting of quarterly payments of $688.20 at 6% compounded quarterly be worth more than a principal of $8600 invested at 6% simple interest?

An IRA has 14,000 in it the owner decides not to add more money to the account other than the 4% interest compounded daily. how much will be in the account 30 years from now?