a). Jake Werkheiser decides to invest $7000 in an IRA at the end of each year for the next 10 years. If he makes these investments, and if the certificates pay 8%, compounded annually, how much will he have at the end of the 10 years?

Solve the problem. (Round your answer to the nearest cent.) $

b). A family wants to have a $170,000 college fund for their children at the end of 20 years. What contribution must be made at the end of each quarter if their investment pays 7.4%, compounded quarterly?

Solve the problem. (Round your answer to the nearest cent.) $

c). Sam deposits $100 at the end of every 6 months in an account that pays 5%, compounded semiannually. How much will he have at the end of 6 years?

Solve the problem. (Round your answer to the nearest cent.) $