Ursala, Incorporated, has a target debt$-$equity ratio of $1\mathrm{.}10.$ Its WACC is $8\mathrm{.}2$ percent, and the tax rate is $21$ percent.

a$.$ If the company's cost of equity is $11$ 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 instead you know that the aftertax cost of debt is $6\mathrm{.}1$ 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$.$ Cost of debt,$7\mathrm{.}01,\%$