In response to complaints about high prices, a grocery chain runs the following advertising campaign: If you pay your child $1 to go buy $32 worth of groceries, then your child makes about twice as much on the trip as we do. Youve collected the following information from the grocery chains financial statements:

(in millions)
Sales	$ 760.00
Net income	11.75
Total assets	335.00
Total debt	154.00

1. What is the childs profit margin?

   Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.

2. What is the stores profit margin?

   Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.

3. What is the store's ROE?

   Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.