Suppose that you have purchased a $3-$year zero$-$coupon bond with face value of $$1000$ and a price of $$850.$ If you hold the bond to maturity, what is your annual return?

$*$Make sure to input all currency answers without any currency symbols or commas, and use two decimal places of precision.

i try $5$ and $5\mathrm{.}67$ and $5\mathrm{.}88$ and $5\mathrm{.}57$ and $1966\mathrm{.}67$ all wrong