Keller Cosmetics maintains an operating profit margin of $7\%$ and asset turnover ratio of $4.$

a$.$ What is its ROA? $($Enter your answer as a whole percent.$)$

ROA

$28$

$\%$

b$.$

If its debt$-$equity ratio is $1,$ its interest payments are $$8,200$ and taxes are $$8,400,$ and EBIT is $$21,000,$ what is its ROE? $($Do not round intermediate calculations. Enter your answer as a whole percent.$)$

ROE

$\%$