Following is financial statement information for Rogex Corporation: cash = $242; accounts receivable = $850; inventory = $820; net fixed assets = $3,408; accounts payable = $700; short-term notes payable = $740; long-term liabilities = $1,100; common stock = $1,160; retained earnings = $1,620; net sales = $2,768; cost of goods sold = $1,210; depreciation = $360; interest expense = $160; taxes = $312; addition to retained earnings = $508; and dividends paid = $218.What is Rogex's return on total assets?