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 $10,844 4,407 1,101 334 2,612 9 2,058 699 (16) Compute Amazon's total liabilities at the end of the year. Multiple Choice $3,159 $2,134 $4,073 $4,407