An individual earns an extra $2000 each year and places this money at the end of each year into an Individual Retirement Account (IRA) in which both the original earnings and the interest in the account are not subject to taxation. If the account has an annual interest rate of 11.8% compounded annually, how much is in the account at the end of 45 years? (Round your answer to the nearest cent.)

Luis has $170,000 in his retirement account at his present company. Because he is assuming a position with another company, Luis is planning to "roll over" his assets to a new account. Luis also plans to put $3000/quarter into the new account until his retirement 30 years from now. If the new account earns interest at the rate of 4.5%/year compounded quarterly, how much will Luis have in his account at the time of his retirement? (Round your answer to the nearest cent.)

A 45-year-old man puts $2500 in a retirement account at the end of each quarter until he reaches the age of 60, then makes no further deposits. If the account pays 6% interest compounded quarterly, how much will be in the account when the man retires at age 65?

At the time of her grandsons birth, a grandmother deposits 3000 in an account that pays 6.5% compounded monthly. What will be the value of the account at the child’s 21st birthday, assuming that no other deposits or withdrawals are made during this period