The fiscal 2010 financial statements for Walgreen, Inc., report net sales of $67,420 million, net operating profit after tax of $2,145 million, net operating assets of $14,921 million. The 2009 balance sheet reports net operating assets of $14,140 million. Walgreens 2010 net operating asset turnover is: Choose one:

		4.52
		3.2
		4.64
		6.96