Find the present value of an annuity which pays $9$ equal cash flows of $$50$ each starting one year from

today. Assume a discount rate of $4\mathrm{.}73\%.$

$$450$

$$697\mathrm{.}38$

$$21\mathrm{.}28$

$$359\mathrm{.}70$

$$1602\mathrm{.}32$