1- Henry Newman will invest $10,580 today in a fund that earns 6% annual interest. How many years will it take for the fund to grow to $18,947?

2- Donald Jackson invests $58,800 at 10% annual interest, leaving the money invested without withdrawing any of the interest for 10 years. At the end of the 10 years, Donald withdraws the accumulated amount of money.

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