Systems Engineering Laboratories (SEL) sells an issue of $300 million face value of subordinated debentures with a coupon rate of 9.375% (assume coupons are paid annually). Each bond in the issue has a face value of $1,000 and matures in 15 years. The bonds were originally sold at par. The 15-year risk free interest rate is 4.5%. The expected market risk premium (remember, this is rm-rf), is 7%. (5 points) What is the yield to maturity on the SEL subordinated debentures?