Fama's Llamas has a WACC of $9\mathrm{.}8$ percent. The company's cost of equity is $13$ percent, and its pretax cost of debt is $7\mathrm{.}5$ percent. The tax rate is $21$ percent. What is the company's target debt$-$equity ratio?

Note: Do not round intermediate calculations and round your answer to $4$ decimal places, e$.$g$.,32\mathrm{.}1616.$

Answer is complete but not entirely correct