please show the required investment in net working capital for year 1-4

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 14.8% of sales and its payables are 15.7% 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: The required investment in net working capital for year 0 is $0. (Round to the nearest dollar.) The required investment in net working capital for year 1 is $ (Round to the nearest dollar.)