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). 2020 2019 Net sales $5,600 3,416 73 $5,700 3,874 Cost of goods sold Net income 135 Accounts receivable 80 110 Inventory Total assets 1,251 2,930 941 1,490 4,070 1,037 Total common stockholders' equity Compute the following ratios for 2020. (Round asset turnover to 2 decimal places, e.g. 1.67. Round all other answers to 1 decimal place, e.g. 1.6 or 1.6%.) (a) Profit margin % (b) Asset turnover times (c) Return on assets % (d) Return on common stockholders' equity % WileyPLUS the (e) Gross profit rate %