The table below contains data on Fincorp Inc. The balance sheet items correspond to values at year-end 2018 and 2019, while the income statement items correspond to revenues or expenses during the year ending in either 2018 or 2019. All values are in thousands of dollars. Revenue Cost of goods sold Depreciation Inventories Administrative expenses Interest expense Federal and state taxes* Accounts payable Accounts receivable Net fixed assetst Long-term debt Notes payable Dividends paid Cash and marketable securities 2018 $4,000 1,900 440 290 400 110 350 330 380 5,500 2,900 821 440 850 2019 $4,100 2,000 460 340 450 110 370 405 440 6,340 3,330 520 440 460 * Taxes are paid in their entirety in the year that the tax obligation is incurred. 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? (Enter your answer in thousands of dollars.) Net working capital by increased decreased