One year ago, a bond had a coupon rate of $9\mathrm{.}76\%,$ par value of $$1,000\mathrm{.}00,$ YTM of $10\mathrm{.}12\%,$ and semi$-$annual coupons. Today, the bond's price is $$1,015\mathrm{.}65$ and the bond has $16$ years until maturity. The next coupon is due in $6$ months. What was the current yield of the bond one year ago?

$10\mathrm{.}42\%($plus or minus $2$ bps$)$

$4\mathrm{.}80\%($plus or minus $2$ bps$)$

$10\mathrm{.}05\%($plus or minus $2$ bps$)$

$9\mathrm{.}61\%($plus or minus $2$ bps$)$

none of the answers are within $2$ bps of the correct answer