The 2017 balance sheet of Dream, Inc., showed current assets of $1,580 and current liabilities of $1,000. The 2018 balance sheet showed current assets of $1,780 and current liabilities of $1,100. What was the company's 2018 change in net working capital, or NWC?

Multiple Choice

• $300

• $-210

• $2,200

• $-300

• $100