QUESTION 1. State the amount accumulated by each of the following present investmens:
a)	$4,000 in 10 years at 8% compounded annually.
b)	$10,000 in 8 years at 12% compounded annually.
QUESTION 2. State the present worth of the following future payments:
a)	$6,600 five years from now at 14% compounded annually.
b)	$12,000 eight years from now at 7% compounded annually.
 
QUESTION 3. How many years it take an investment to triple if the interest rate is 7% compounded annually?