Leon Ang invests HK$36,600 at 6% annual interest, leaving the money invested without withdrawing any of the interest for 6 years. At the end of the 6 years, Leon withdraws the accumulated amount of money.

a. Compute the amount Sue would withdraw assuming the investment earns simple interest. b. Compute the amount Sue would withdraw assuming the investment earns interest compounded annually.

c. Compute the amount Sue would withdraw assuming the investment earns interest compounded semiannually.