amberlain Company wants to issue new $13-$year bonds for some much$-$needed ansion projects. The company currently has $8\mathrm{.}4$ percent coupon bonds on the ket that sell for $$810\mathrm{.}63,$ make semiannual payments, and mature in $13$ years. What pon rate should the company set on its new bonds if it wants them to sell at par? ume a par value of $$1,000.$