A bond with $8$ years left to maturity is trading for $$1,005.$ It pays coupons semiannually. Its YTM is currently $3\mathrm{.}8\%.$ The coupon rate for this bond must be $\_\_\_\_\_\_\_\_\%.$

Margin of error for correct responses: $+/-\mathrm{.}03(\%).$

Rounding and Formatting instructions:

Do not enter dollar signs, percent signs, commas, X$,$ or any words in your response. Do not round any intermediate work, but round your $*$final$*$ response to $2$ decimal places $($example: if your answer is $12\mathrm{.}3456,12\mathrm{.}3456\%,$ or $$12\mathrm{.}3456,$ you should enter $12\mathrm{.}35).$