21. Profit Margin (L04] In response to complaints about high prices, a grocery chain runs the following advertising campaign: "If you pay your child $1.50 to go buy $50 worth of groceries, then your child makes twice as much on the trip as we do." You've collected the following information from the grocery chain's financial statements: ($ in millions) Sales $680 Net income 10.2 Total assets 380 Total debt 270 Evaluate the grocery chain's claim. What is the basis for the statement? Is this claim misleading? Why or why not