Market Value Ratios Lab R Doors' year$-$end price on its common stock is $$50.$ The firm has total assets of $$75$ million, the debt ratio is $60\%,$ no preferred stock, and there are $4\mathrm{.}0$ million shares of common stock outstanding. Calculate the market$-$to$-$book ratio for Lab R Doors.

Multiple Choice

$6\mathrm{.}67$

$4\mathrm{.}44$

$2\mathrm{.}23$

$12\mathrm{.}50$