Suppose selected comparative statement data for the giant bookseller here. All balance sheet data areas of the end of the fiscal year in milions). Net sales Cost of goods sold Net Income Accounts receivable Inventory Total assets Total common stockholders' equity 2017 $5,150 3,400 75 75 1,250 2,950 890 2016 $5,100 3,901 151 104 1,350 3,150 1,121 Compute the following ratios for 2017. (Round asse 83 and all other ang (a) Profit margin a place eg. or 2.59) (b) Asset turnover (c) Return on assets (d) Return on common stockholders' equity (e) Gross profit rate