Barrys Steroids Company has $1,000 par value bonds outstanding at 16 percent interest. The bonds will mature in 40 years.

If the percent yield to maturity is 13 percent, what percent of the total bond value does the repayment of principal represent? Use Appendix B and Appendix D for an approximate answer but calculate your final answer using the formula and financial calculator methods. (Do not round intermediate calculations. Round your final answer to 2 decimal places. Assume interest payments are annual.)