Please solve the required investment in net working capital for year 1, year 2, year 3, and year 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 15.2% of sales and its payables are 14.4% 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.) Data table (Click on the following icon in order to copy its contents into a spreadsheet.)