Ten years ago today, Excel corp issued a regular coupon bond that had original maturity of 20 years. The bond pays interest semiannually and has a coupon rate of 5%. The bond was originally issued at par. Since the bond was issued, market interest rates have generally moved down such that today the yield to maturity (YTM) on the bond is 4%. Estimate the price of the bond today, assuming semi-annual interest payments.