Lyle O 'Keefe invests $30,000 at 8% annual interest, leaving the money invested without withdrawing any of the interest for 8 years. At the end of the 8 years, Lyle withdrew the accumulated amount of money. (a) Compute the amount Lyle would withdraw assuming the investment earns simple interest. $ (b) Compute the amount Lyle would withdraw assuming the investment earns interest compounded annually. (Round to 2 decimal places, e.g. 25,250.25. Hint: Use tables in text.) $ (c) Compute the amount Lyle would withdraw assuming the investment earns interest compounded semiannually. (Round to 2 decimal places, e.g. 25,250.25. Hint: Use tables in text.)