1. If the interest on an account is 11.5 % compounded yearly approximately how many years will it take to triple the amount?
2. P 7500 is deposited in a savings account at 6.5 % rate of interest compounded quarterly for 25 years. Determine the accumulated sum.
3. Compute for the present worth of two (2) P1000 payments at the end of the third year and fourth year. The annual interest rate is 8%. Show Cash Flow Diagram.