The table below contains data on Fincorp Incorporated. The balance sheet items correspond to values at year-end 2021 and 2022, while the income statement items correspond to revenues or expenses during the year ended 2021 and 2022. All values are in thousands of dollars.

	2021	2022
Revenue	$ 4,000	$ 4,100
Cost of goods sold	1,600	1,700
Depreciation	500	520
Inventories	300	350
Administrative expenses	500	550
Interest expense	150	150
Federal and state taxes*Footnote asterisk	400	420
Accounts payable	300	350
Accounts receivable	400	450
Net fixed assetsFootnote	5,000	5,800
Long-term debt	2,000	2,400
Notes payable	1,000	600
Dividends paid	410	410
Cash and marketable securities	800	300

*Footnote asterisk Taxes are paid in their entirety in the year that the tax obligation is incurred.

^Footnote 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?

Note: Enter your answer in thousands of dollars.

(increase/decrease) and $ amount

Net working capital by