Ursala, Incorporated, has a target debt$-$equity ratio of $65.$ Its WACC is $10\mathrm{.}4$ percent, and the tax rate is $23$ percent.

a$.$ If the company's cost of equity is $14$ percent, what is its pretax cost of debt?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

b$.$ If the aftertax cost of debt is $5\mathrm{.}8$ percent, what is the cost of equity?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

$\backslash$table$[[$a$.$ Pretax cost of debt,$\%$