Kelso's has a debt$-$equity ratio of $0\mathrm{.}55$ and a tax rate of $35$ percent. The firm does not issue preferred stock. The cost of equity is $14\mathrm{.}5$ percent and the beforetax cost of debt is $7\mathrm{.}3846$ percent. What is the weighted average cost of capital?

$10\mathrm{.}46$ percent

$11\mathrm{.}06$ percent

$10\mathrm{.}67$ percent

$11\mathrm{.}57$ percent