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

Net sales	$10,821
Total assets	4,481
End of year balance in cash	1,076
Total stockholders' equity	401
Gross profit (Sales - Cost of Sales).	2,497
Net increase in cash for the year	19
Operating expenses	2,058
Net operating cash flow	650
Other income (expense), net	(28)

Compute Amazon's balance in cash at the beginning of the year.

a)	$ 1,057
b)	$ 1,076
c)	$ 827
d)	$ 637