The following information ($ in millions) comes from a recent annual report of Amazon.com, Inc. Net sales Total assets End of year balance in cash Total stockholders' equity Gross profit (Sales - Cost of Sales) Net increase in cash for the year Operating expenses Net operating cash flow Other income (expense). net $10,764 4,508 1,077 445 2,560 10 2,057 627 (26) Compute Amazon's cost of goods sold for the year, Multiple Choice $5,135 $8,707 $7,192