Exercise 18-10 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). 2019 Net sales Cost of goods sold Net income Accounts receivable Inventory Total assets Total common stockholders' equity 2020 $5,200 3,224 83 84 1,087 3,070 946 $5,100 3,807 125 113 1,481 3,430 1,104 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 96 (b) Asset turnover times (c) Return on assets (d) Return on common stockholders' equity (e) Gross profit rate 46