Andres Dog House had current assets of $68242 and current liabilities of $70137 last year. This year, the current assets are $83958 and the current liabilities are $77954. The depreciation expense for the past year is $9858 and the interest paid is $8580. What is the amount of the change in net working capital? Do not use $ or commas in your answer; round to nearest whole dollar (Example: 1234 or 1234 )