Four years after the issue of a $10,000, 8.1% coupon, 20-year bond, the rate of return required in the bond market on long-term bonds was 6.4% compounded semiannually. b. What capital gain or loss (expressed in dollars) would the original owner have realized by selling the bond? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Capital (Click to select) gain loss of $