Sykora Corp. sells $450,000 of bonds to private investors. The bonds are due in 5 years, have a 6% coupon rate and interest is paid semiannually. Sykora received $490,222 for the bonds at issuance. The effective rate on these bonds is:

(A) 6%
(B) 9%
(C) 4%
(D) 10%
(E) None of the above