$(5$ points$)$ The company has an unlevered beta of $1\mathrm{.}0,$ it is financed with $50\%$ debt and

$50\%$ common stock. The company's levered beta is $1\mathrm{.}6.$ If the risk free rate is $5\mathrm{.}5\%,$ the

market risk premium is $6\%,$ calculate the additional premium that company's

shareholders require for undertaking the financial risk of the company.