First one is: Hossain Health has a levered cost of equity of $13\mathrm{.}84$ percent and an unlevered cost of capital of $12\mathrm{.}5$ percent. The company has $$5,000$ in debt that is selling at par. The levered value of the firm is $$14,600$ and the tax rate is $25$ percent. What is the pretax cost of debt?