Berth Construction Inc. issues seven$-$year, AA$-$rated bonds. What is the yield on one of these bonds? Disregard cross$-$product terms; that is$,$ if averaging is required, use the arithmetic average.

$8\mathrm{.}63\%$

$9\mathrm{.}68\%$

$9\mathrm{.}08\%$

$5\mathrm{.}25\%$