Brady, Inc. has bonds outstanding with 7 years to maturity and a par value of $1,000. The coupon rate is 12% paid semiannually, and the bonds currently sell for $1,100. The bonds are callable in 3 years with a 5% call premium. What is the yield to call?

A. 12.90%

B. 9.58%

C. 6.45%

D. 4.78%