ABC company has a cost of equity of $21\mathrm{.}62\%,$ a before$-$tax cost of debt of $4\mathrm{.}42\%$The cost of equity of an unlevered firm $($Note: cost of equity of unlevered firm return on assets$=$cost of capital of the firm's assets is $11\mathrm{.}7\%.$ Assume no taxes. What is the D$/$E Ratio? Enter your answer rounded off to two decimal points.