A $1000 par value bond has 8% semiannual coupons and is redeemable for $1100 on any coupon date from the 11th coupon through the 20th coupon, for $1150 on any coupon date from the 21st coupon through the 30th coupon, and for $1200 on any coupon date from the 31st coupon through the 40th coupon. What is the highest price that an investor can pay for the bond and still be certain of a yield of 7% compounded semiannually.