### Annuities, present values, future values

4.3 Calculate the following values, assuming a discount rate of 8%: a. present value of a perpetuity (also called a perpetual annuity) of $50 received each year at the end of each year b. present value of an annuity of $50 received at the end of each year for 5 years c. present value of an annuity of $50 received at