A. Jake Werkheiser decides to invest $7000 in an IRA at the end of each year for the next 6 years. If he makes these investments, and if the certificates pay 10%, compounded annually, how much will he have at the end of the 6 years?
B. A family wants to have a $180,000 college fund for their children at the end of 16 years. What contribution must be made at the end of each quarter if their investment pays 7.4%, compounded quarterly?
C. Mr. Gordon plans to invest $600 at the end of each month in an account that pays 9%, compounded monthly. After how many months will the account be worth $70,000?