The table below contains data on Fincorp Inc. The balance sheet items correspond to values at year-end 2015 and 2016, while the income statement items correspond to revenues or expenses during the year ending in either 2015 or 2016. All values are in thousands of dollars. 2015 2016 $4,000 $4,100 1,400 1,500 530 290 500 150 490 360 470 4,800 5,470 1,900 2,310 470 470 350 Revenue Cost of goods sold Depreciation Inventories Administrative expenses Interest expense Federal and state taxes Accounts payable Accounts receivable Net fixed assetst 510 260 450 150 470 300 410 Long-term debt Notes payable Dividends paid Cash and marketable securities 810 470 770 * Taxes are paid in their entirety in the year that the tax obligation is incurred. t Net fixed assets are fixed assets net of accumulated depreciation since the asset was installed What was the change in net working capital during the year? Change in net working capital