Quakers Inc. has a before$-$tax cost of debt of $4\%,$ a cost of equity of $13\%,$ and a cost of preferred stock of $6\%.$ The market value of common stock is $$2\mathrm{.}08$ million. The market value of debt is $0\mathrm{.}51$ million. The market value of preferred stock is $1\mathrm{.}36$ million. The tax rate is $34\%.$ What is the weighted average cost of capital for Quakers Inc.?

$8\mathrm{.}14\%$

$8\mathrm{.}54\%$

$9\mathrm{.}25\%$

$9\mathrm{.}84\%$