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		$5,050		$4,900
Cost of goods sold		3,000		3,801
Net income		75		151
Accounts receivable		75		107
Inventory		1,150		1,250
Total assets		2,850		3,150
Total common stockholders equity		931		1,111

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			%