A firm has sales of $$4,720,$ costs of $$2,520,$ interest paid of $$167,$ and depreciation of $$469.$ The tax rate is $21$ percent. What is the cash coverage ratio?

Multiple Choice

$7\mathrm{.}40$ times

$13\mathrm{.}17$ times

$10\mathrm{.}37$ times

$17\mathrm{.}27$ times