Suppose selected comparative statement data for the giant bookseller Barnes & Noble are presented here. All balance sheet data are as of the end of the fiscal year (in millions). 2017 2016 Net sales $4,950 $5,601 Cost of goods sold 3,701 3,801 Net income 65 161 Accounts receivable 75 104 Inventory 1,150 1,250 Total assets 2,950 3,150 Total common stockholders' equity 880 1,080 Compute the following ratios for 2017. (Round asset turnover to 2 decimal places, e.g 1.83 and all other answers to 1 decimal place, e.g. 1.8 or 2.5%) (a) Profit margin 1.3 % (b) Asset turnover 1.62 times (c) Return on assets 2.1 % (d) Return on common stockholders' equity % (e) Gross profit rate %