You issued debt in the form of bonds, with a face value of $$1,000,$ and have $9$ years until

maturity. The bonds have an annual coupon rate of $5\mathrm{.}4\%,$ which are paid semiannually.

a$.$ The current price is $$1,040.$ What is the pretax cost of debt?

$($Do not round intermediate calculations and enter your answer as a percent

rounded to $2$ decimal places, e$.$g$.,12\mathrm{.}34.)$

b$.$ The tax rate is $22\%.$ What is the aftertax cost of debt?

$($Do not round intermediate calculations and enter your answer as a percent

rounded to $2$ decimal places, e$.$g$.,12\mathrm{.}34.)$