$2-1$ Calculating present values Calculate the present value of each of the following cash flow streams. Use a discount rate of $10\%.$

Formula $=PV=\frac{C}{(1+r{)}^{{?}^{{?}^{?}}}}n$

a$.$ $$500$ received at the end of five years $=$$$\frac{500}{(1\mathrm{.}1{)}^{{?}^{{?}^{?}}}}5=$$$310\mathrm{.}46$

b$.$ $$500$ received annually for each of the next five years $=$$$5003\mathrm{.}790=$$$1,895\mathrm{.}00$

c$.$ $$500$ received annually for each of the next fifty years $=$$$5009\mathrm{.}914=$$$4,957$

d$.$ $$500$ received annually for $100$ years $=$$$500**9\mathrm{.}999=$$$4,999\mathrm{.}50$