Sky Enterprises outstanding bonds have a 25 year maturity and a $1000 par value. Their yield to aturity is 9.25%. They pay coupon payments semiannuallym and they are selling at a price of $850. What is the bond's(annual) coupon rate?
A. 7.22%
B. 7.7%
C. 6.27%
D. 6.95%
E. 6.60%