Zheng Corporation plans to issue new bonds to finance its expansion plans. In its efforts to price the issue, Zheng Corporation has identified a company of similar risk with an outstanding bond issue that has an $8$ percent coupon rate having a maturity of ten years.

This firm's bonds are currently selling for $$1,107\mathrm{.}83.$ If interest is paid annually for both bonds, what must the coupon rate of the new bonds be in order for the issue to sell at par?