Suppose that Linksys is considering the development of a wireless home networking appliance, called HomeNet, that will provide both the hardware and the software necessary to run an entire home from any Internet connection. Linksys's receivables are 14.2% of sales and its payables are 15.8% of COGS. Forecast the required investment in net working capital for HomeNet assuming that sales and cost of goods sold (COGS) will be as follows:

Year	0	1	2	3	4
Sales		$23,578	$26,463	$23,579	$8,694
COGS		$9,532	$10,698	$9,532	$3,515

The required investment in net working capital for year 0 is ____

The required investment in net working capital for year 1 is ____

The required investment in net working capital for year 2 is ____

The required investment in net working capital for year 3 is ____

The required investment in net working capital for year 4 is ____