The 2017 statement of financial position of Owosso Inc. showed current assets of $3,120 and current liabilities of $1,570. The 2018 statement of financial position showed current assets of $3,460 and current liabilities of $1,980.

What was the companys 2018 change in net working capital or NWC? (Negative answer should be indicated by a minus sign. Omit $ sign in your response.)

Net working capital