Assume the$$ zero$-$coupon yields on$$ default$-$free securities are as summarized in the following$$ table:$($Click on the following icon in order to copy its contents into a$$ spreadsheet.$)$

Maturity$($years$)$

$1$

$2$

$3$

$4$

$5$

$$Zero$-$coupon YTM

$4\mathrm{.}00\%$

$4\mathrm{.}30\%$

$4\mathrm{.}50\%$

$4\mathrm{.}70\%$

$4\mathrm{.}80\%$

Consider a$$ four$-$year, default$-$free security with annual coupon payments and a face value of $ $1$ comma $000$ that is issued at par. What is the coupon rate of this$$ bon