The following information ($ in millions) comes from a recent annual report of Amazon.com, Inc.:

Net sales	$10,716
Total assets	4,370
End of year balance in cash	1,126
Total stockholders' equity	462
Gross profit (Sales - Cost of Sales).	2,653
Net increase in cash for the year	17
Operating expenses	2,065
Net operating cash flow	740
Other income (expense), net	(13)

Compute Amazon's cost of goods sold for the year.

$ 7,175

$ 5,110

$ 8,063

$ 8,651