Chris Jackson invests $30,700 at 8% annual interest, leaving the money invested without withdrawing any of the interest for 8 years. At the end of the 8 years, Chris withdraws the accumulated amount of money.   Compute the amount Chris would withdraw assuming the investment earns interest compounded semiannually. (Round factor values to 5 decimal places, e.g. 1.25124 and final answer to 0 decimal places, e.g. 458,581.)

Sam refuses to retire until his retirement account has a balance of at least $ 369,214 . Sam refuses to make any more deposits in the account. The account currently has a balance of$ 117,923 and earns 6% per year, compounded semi-annually. How long does Sam have before he will retire? You are computing number of years. Round your answer to one decimal place. For example, record 14.294 years as 14.3.

Julia deposited $900 at the end of every month into an RRSP for 7 years. The interest rate earned was 4.50% compounded semi-annually for the first 3 years and changed to 4.75% compounded monthly for the next 4 years. What was the accumulated value of the RRSP at the end of 7 years? (Round to the nearest cent).

Noah invests $600 at the end of each quarter for 30 years in an account paying 5.64% interest compounded quarterly and then he retires.  Suppose that he was in the 15% bracket when the deposits were made and interest was earned.  Suppose his tax bracket is now 33% in retirement.  Find the current after-tax value of Noah's account if it was set-up as   (i) a Traditional Individual Retirement Account (IRA): $   (ii)a Roth Individual Retirement Account (Roth-IRA): $