Rousey, Inc., had a cash flow to creditors of $16,650 and a cash flow to stockholders of $7,118 over the past year. The company also had net fixed assets of $49,530 at the beginning of the year and $56,920 at the end of the year. Additionally, the company had a depreciation expense of $12,084 and an operating cash flow of $50,667. What was the change in net working capital during the year?