Jack purchases a 30-year bond with par-value F. The bond matures at par-value and pays semiannual coupons at an annual nominal rate of 5% compounded semiannually. The first coupon payment comes six-months after the date of purchase. The bond is priced to yield an annual rate of 6% compounded semiannually. 10 years and 3 months after purchasing the bond, Jack sells the remaining bond payments for 35453 which is 10% higher than the bond's clean price at that time. Find F.