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

a$.$ Lollar Corporation has a profit margin of $5\mathrm{.}5$ percent and its ROA $($investment$)$ is $15\mathrm{.}50$ 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 $25$ percent, what 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 $20$ percent? $($Do not round intermediate calculations.

Round the final answer to $2$ decimal places.$)$

Return on equity

$\%$