C Secure! https:/ t.html CH 3 ASSIGNMENT Saved Help Save& Exit Submit my work In response to complaints about high prices, a grocery chain runs the following advertising campaign: "If you pay your child $4 to go buy $50 worth of groceries, then your child makes twice as much on the trip as we do." You've collected the following information from the grocery chain's financial statements: 10 points $ in millions) ales $720.0 eBook Print References Net income 28.8 Total assets 450.0 Total debt 320.0 What is the profit margin for the child as a percentage of what they spend and the profit margin for the store? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) 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.) a. b. a. Child's profit margin Store's profit margin b. Store's ROE Mc Graw 10:06 PM 9/16/2018