Draiman Corporation has bonds on the market with $18$ years to maturity, a YTM of $10\mathrm{.}9$ percent, a par value of $$1,000,$ and a current

price of $$939.$ The bonds make semiannual payments. What must the coupon rate be on the bonds?

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

Coupon rate