Andre's Dog House had current assets of $68648 and current liabilities of $70441 last year. This year, the current assets are $82980 and the current liabilities are $77217. The depreciation expense for the past year is $9706 and the interest paid is $8942. 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)