The following information ($ in millions) comes from a recent annual report of Amazon.com, Inc.:
Net sales	$	10,720
Total assets		4,497
End of year balance in cash		1,087
Total stockholders' equity		493
Gross profit (Sales Cost of Sales)		2,647
Net increase in cash for the year		18
Operating expenses		2,066
Net operating cash flow		632
Other income (expense), net		-28	)
Compute the income before income tax for Amazon.