Problem 2-9 Calculating Additions to NWC (LO4) The 2014 balance sheet of Steelo, Inc., showed current assets of $3,175 and current liabilities of $1,645. The 2015 balance sheet showed current assets of $2,920 and current liabilities of $1,620. What was the company's 2015 change in net working capital, or NWC? (Do not round intermediate calculations. Negative amount should be indicated by a minus sign.) Net working capital