Problem $13-7$ Finding the Copital Structure

Fama's Llamas has a weighted average cost of captal of $87$ percent. The company's cost of equity is $12\mathrm{.}3$ percent, and ins pretax cost of debt is $6\mathrm{.}9$ percent. The tax rate is $22$ percent. What is the company's debt$-$equity ratio? $($Do not round intermediate colculations and round your answer to $4$ decimal places, e$.$g$.,32\mathrm{.}1616.)$

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Deth$-$equity ratio