Assume the following relationships for the Caulder Corp.:

Sales$/$Total assets $1\mathrm{.}3$x

Return on assets $($ROA$)4\mathrm{.}0\%$

Return on equity $($ROE$)8\mathrm{.}0\%$

Calculate Caulder$$s profit margin and debt$-$to$-$capital ratio assuming the firm uses only debt and common equity, so total assets equal total invested capital.