Keenan Industries has a bond outstanding with 25 years to maturity, a 7.65% nominal coupon, semiannual payments, and a s1,000 par value. The bond has a 6.40% nominal yield to maturity, but it can be calied in 6 years at a price of $1,085. What is the bond's nominal yield to call? Do not round your intermediate calcilations. 1. 5.97% b. 4.83% :. 2.88% 1. 5.77% 2. 4,72%