For fiscal year $2021,$ Costco Wholesale Corporation$($COST$)$ had a net profit margin of $2\mathrm{.}60\%,$ asset turnover of $3\mathrm{.}24,$ and a book equity multiplier of $3\mathrm{.}28.$

a$.$ Use this data to compute Costco$\text{'}$s ROE using the DuPont Identity.

b$.$ If Costco$\text{'}$s managers wanted to increase its ROE by $1\mathrm{.}05$ percentage$$ points, how much higher would their new asset turnover need to$$ be$?$

c$.$ If Costco$\text{'}$s net profit margin fell by $1\mathrm{.}05$ percentage$$ points, by how much would their asset turnover need to increase to maintain their$$ ROE?c$.$ If Costco$\text{'}$s net profit margin fell by $1\mathrm{.}05$ percentage$$ points, by how much would their asset turnover need to increase to maintain their$$ ROE?

The new asset turnover neeeds to be

$$

$25\mathrm{.}1,$ which is an increase of

$$

enter your response here. $($Round to two decimal$$ places.$)$