CMS Corporation's balance sheet as of today is as follows: Long-term debt (bonds, at par) $10,000,000 Preferred stock 2,000,000 Common stock ($10 par) 10,000,000 Retained earnings 4,000,000 Total debt and equity $26,000,000 The bonds have a 6% coupon rate, payable semiannually, and a par value of $1,000 They mature exactly 10 years from today. The yield to maturity is 12%, so the bonds now sell below par. What is the current market value of the firm's debt? Select the correct answer. O a. $6,561,439 O b. $6,559,628 O c. $6,560,835 O d. $6,560,231 O e. $6,559,024