2006 2007 Cash Accounts receivable Balance Sheet 2006 2007 $ 1,400 $2,300 Accounts payable 4,100 4,300 Long-term debt 8,400 7,600 Common stock 17,600 19.100 Retained camning $31.500 $33,300 Total liabilities and equity $ 5,300 $ 4,700 12,800 9,400 7,500 10,000 5.900 9,200 $31.500 $33,300 Inventory Net fixed assets Total assets Income Statement Net Sales Costs Depreciation ERIT $32,700 20,705 2.510 9,485 Interest Taxable income Taxes Net Income 1000 MARS 2,885 $ 5,600 What is the change in net working capital bemeen 2006 and 2007? 300 900 5500