Draiman Corporation has bonds on the market with $17\mathrm{.}5$ years to maturity, a YTM of $10\mathrm{.}8$ percent, a par value of $$1,000,$ and a current price of $$940.$ The bonds make semiannual payments. What must the coupon rate be on the bonds?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$