Eight years ago, Vitato, Inc. issued a 30-year, $1000 par value bond with a 7.15% coupon rate (semi-annual payments). If today (i.e., with exactly 22 years remaining to maturity), the bond is selling for $1218.44, what is the Vitato, Inc. bond's yield to maturity? 1) 5.609% 2) 5.436% 3) 5.218% 4) 5.523% 5) 5.333%