Chamberlain Company wants to issue new $15-$year bonds for some much$-$needed expansion projects. The company currently has $8\mathrm{.}8$ percent coupon bonds on the market that sell for $$1,165\mathrm{.}53,$ make semiannual payments, and mature in $15$ years. What coupon rate should the company set on its new bonds if it wants them to sell at par? Assume a par value of $$1,000.$