he following information ($ in millions) comes from a recent annual report of Amazon.com, Inc.: Net sales $10,866 Total assets 4,416 End of year balance in cash 1,148 Total stockholders' equity 491 Gross profit (Sales - Cost of Sales). 2,611 Net increase in cash for the year 10 Operating expenses 2,047 Net operating cash flow 769 Other income (expense), net (31) Compute the income before income tax for Amazon.