In response to complaints about high prices, a grocery chain runs the following advertising campaign: If you pay your child $6 to go buy $50 worth of groceries, then your child makes twice as much on the trip as we do. Youve collected the following information from the grocery chains financial statements:

(millions)
Sales	$	590.0
Net income		35.4
Total assets		490.0
Total debt		360.0

What is the profit margin for child and store? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)

	Profit margin
Child	%
Store	%

What is the store's ROE? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)

ROE

%

thanks for the help