In order to accurately assess the capital structure of a firm, it is necessary to convert its balance sheet figures from historical book values to market values. KJM Corporation's balance sheet (book values) as of today is as follows: The bonds have a 7.0\% coupon rate, payable semiannually, and a par value of $1,000. They mature exactly 20 years from today. The yield to maturity is 9%, so the bonds now sell below par. What is the current market value of the firm's debt? Do not round your intermediate calculations. a. $19,175,628 b. $20,561,065 c. $19,209,584 d. $19,132,645 e. $19,856,716