BDJ Co. wants to issue new 18-year bonds for some much-needed expansion projects. The company currently has 9.9 percent coupon bonds on the market that sell for $1,139, make semiannual payments, have a par value of $1,000, and mature in 18 years.

Required:

What coupon rate should the company set on its new bonds if it wants them to sell at par? (Do not include the percent sign (%). Enter rounded answer as directed, but do not use the rounded numbers in intermediate calculations. Round your answer to 2 decimal places (e. g., 32.16).)