Nikita Enterprises has bonds on the market making semi$-$annual payments, with $19$ years to maturity, a par value of $$1,000,$ and selling for $$1,028\mathrm{.}39.$ At this price, the bonds yield $6\mathrm{.}66$ percent. What must the coupon rate be on the bonds? Answer to four decimal places. e$.$g$.0\mathrm{.}1234$