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 $5,121.8 $5,286.7 Cost of goods sold 3,540.6 3,679.8 Net income 75.9 135.8 Accounts receivable 81 107.1 Inventory 1,203.5 1,358.2 Total assets 2,993.9 3,249.8 Total common stockholders equity 921.6 1,074.7 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 % (b) Asset turnover times (c) Return on assets % (d) Return on common stockholders equity % (e) Gross profit rate %