Pearce's Cricket Farm issued a $15-$year, $8\%$ semiannual bond $3$ years ago. The bond currently sells for $96\%$ of its face value. The company's tax rate is $35\%.$

Suppose the book value of the debt issue is $$60$ million. In addition, the company has a second debt issue on the market, a zero coupon bond with $10$ years left to maturity; the book value of this issue is $$35$ million and the bonds sell for $51\%$ of par. Assume the par value of the bond is $$1,000.$

What is the company's total book value of debt? $($Enter the answer in dollars. Omit $ sign in your response.$)$

Total book value $

What is the company's total market value of debt? $($Enter the answer in dollars. Omit $ sign in your response.$)$

Total market value $

What is your best estimate of the after$-$tax cost of debt? $($Do not round intermediate calculations. Enter your answer as a percentage rounded to $2$ decimal places.$)$

Cost of debt

$\%$