Given current assets of $$145,000,$ total assets of $$1,200,000,$ current liabilities of $$100,000,$ total liabilities of $$660,000,$ and total stockholders' equity of $$540,000,$ the debt to assets ratio is

$81\mathrm{.}8\%$

$68\mathrm{.}9\%$

$45\mathrm{.}0\%$

$55\mathrm{.}0\%$