BDU Co. wants to issue new 19-year bonds for some much-needed expansion projects. The company currently has 10.3 percent coupon bonds on the market that sell for S1.143, make semiannual payments, have a S1.000 par value, and mature in 19 years. What coupon rate should the company seton its new bonds ifitwants them to sell atpar? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.0 Coupon rate