ABC Company has a before$-$tax cost of debt of $4\mathrm{.}29\%.$ 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 $=$R A $)$ is $13\mathrm{.}77\%.$ The D$/$E ratio is $3\mathrm{.}1.$ What is the cost of equity? Assume a tax rate of $19\mathrm{.}5\%$ Enter your answer as a percentage rounded off to two decimal pointsDo not enter $\%$ in the answer box