Greg Corp has a bond outstanding with 15 years to maturity, an 12% annual coupon rate, semiannual payments, and a \$1.000 par value. The bond has a 9%. yield to marurity, but it can be called in 7 years at a price of 51,200 . What is the bond's yield to call? 5.55% 9.27 2.28% 4.64% 2.77% 6.1195