A bond has a $1,000 par value, nine years to maturity, and pays a coupon of 3.75% per year, semiannually. The bond is callable in four years at $1,075. If the bond's yield to call is 3.58% per year, what is its annual yield to maturity? 1) 2.93% 2) 2.66% 3) 2.84% 4) 2.72% 5) 2.98%