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

Net sales	$	10,883
Total assets		4,451
End of year balance in cash		1,131
Total stockholders' equity		482
Gross profit (Sales Cost of Sales)		2,556
Net increase in cash for the year		17
Operating expenses		2,052
Net operating cash flow		633
Other income (expense), net		(16)

Compute the income before income tax for Amazon.

Multiple Choice

• $ 408

• $ 488

• $ 568

• $ 608