Jenkins, Inc., has equity with a market value of $$22\mathrm{.}2$ million and debt with a market value of $$6\mathrm{.}66$ million. The cost of debt is $9$ percent per year. Treasury bills that mature in one year yield $5$ percent per year, and the expected return on the market portfolio over the next year is $12$ percent. The beta of the company$$s equity is $1\mathrm{.}07.$ The firm pays no taxes.

a$.$ What is the company$$s debt$-$equity ratio? $($Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

b$.$ What is the company's weighted average cost of capital? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

c$.$ What is the cost of capital for an otherwise identical all$-$equity firm? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$