Nabors, Inc. 2008 Income Statement ($ in millions)
Net Sales	$9,610
Less: Cost of goods sold	6,310
Less: Depreciation	1,370
Earnings before interest and taxes	1,930
Less: Interest Paid	630
Taxable Income	$1,300
Less: Taxes	455
Net income	$845

Nabors, Inc. 2007 and 2008 Balance Sheets ($ in millions)
	2007	2008		2007	2008
Cash	$ 310	$ 405	Accounts payable	$ 2,720	$ 2,570
Accounts rec.	2,640	3,055	Notes payable	100	0
Inventory	3,275	3,850	Total	$ 2,820	$ 2,570
Total	$ 6,225	$ 7,310	Long-term debt	7,875	8,100
Net fixed assets	10,960	10,670	Common stock	5,000	5,250
			Retained earnings	1,490	2,060
Total assets	$17,185	$17,980	Total liab & equity	$17,185	$17,980
what is the change in the net working capital from 2007to 2008?