Use these financial statements to answer the question.

Income Statement
Net Sales ............	$32,700
Costs ...............	20,705
Depreciation ............	2,510
EBIT ...............	9,485
Interest ..............	1,000
Taxable income .........	8,485
Taxes ..............	2,885
Net Income ............	$5,600
Use the attached financial statements to answer the below question.
What is the change in net working capital between 2006 and2007?