Exercise 13-10 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). Net sales Cost of goods sold Net income Accounts receivable Inventory Total assets Total common stockholders' equity 2017 $4,950 3,701 65 65 1,250 2,850 961 2016 $5,601 3,100 130 102 1,350 3,250 1,101 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