Problem $2-8$ Calculating Additions to NWC $[$LO$4]$

The $2020$ balance sheet of Dugan, Incorporated, showed current assets of $$2,945$ and current liabilities of $$1,230.$ The $2021$ balance sheet showed current assets of $$3,260$ and current liabilities of $$1,680.$ What was the company$$s $2021$ change in net working capital, or NWC$?($A negative answer should be indicated by a minus sign. Do not round intermediate calculations. $)$