An investor purchases a 10-year collable bond with face amount of 1000 for price P. The bond has an annual nominal coupon rate of 5.3% paid semi-annually The bond may be called at par by the issuer on every other coupon payment date, beginning with the third coupon payment date. The investor earns at least an annual nominal yield of 7.8% compounded semiannually regardless of when the bond is redeemed Calculate the largest possible value of P. 814 822 829 837 842