ABC Inc had current assets of $67,200 and current liabilities of $71,100 last year. This year, the current assets are $83,100 and the current liabilities are $85,100. The depreciation expense for the past year is $9,600 and the interest paid is $8,700. What is the amount of the change in net working capital?

		$1,900
		$2,800
		$1,400
		$2,100
		$1,400