Using the DuPont method, evaluate the effects of the following relationships for the Lollar Corporation.

has a profit margin of $7\mathrm{.}0$ percent and its ROA $($investment$)$ is $19\mathrm{.}00$ percent. What is its asset turnover? $($Do not round intermediate calculations. Round the final answer to $2$ decimal places.$)$

Asset turnover ratio

b$.$ If Lollar Corporation has a debt$-$to$-$total$-$assets ratio of $30$ percent, Yvat would the firm's ROE be$?($Do not round intermediate calculations. Round the final answer to $2$ decimal places.$)$

Return on equity $\%$

c$.$ What would be the ROE, if the debt$-$to$-$total$-$assets ratio decreased to $25$ percent? $($Do not round intermediate calculations. Round the final answer to $2$ decimal places.$)$

Return on equity $\%$