looking for some help on the second section i just need help on coloum 2

Windhoek Mines, Ltd., of Namibia, is contemplating the purchase of equipment to exploit a mineral deposit on land to which the company has mineral rights. An engineering and cost analysis has been made, and it is expected that the following cash flows would be associated with opening and operating a mine in the area Cost of new equipment and timbers 275,000 Working capital required 100,000 120,000 Annual net cash receipts 40,000 Cost to construct new roads in three years Salvage value of equipment in four years 65,000 *Receipts from sales of ore, less out-of-pocket costs for salaries, utilities, insurance, and so forth. The mineral deposit would be exhausted after four years of mining. At that point, the working capital would be released for reinvestment elsewhere. The company's required rate of return is 20%. Click here to view Exhibit 13B-1 and Exhibit 13B-2, to determine the appropriate discount factor(s) using tables Required Determine the net present value of the proposed mining project. (Any cash outflows should be indicated by a minus sign. Use the appropriate table to determine the discount factor(s).) Now 1 2 3 Purchase of equipment (275,000) Working capital investment S Annual net cash receipts 120,000 120,000 120,000 120,000 Road construction Working capital released 100,000 Salvage value of equipment 65,000 Total cash flows 80,000 285,000 1.000 0.833 0.579 0.482 Discount factor (20%) Present value 137,370 99,960 46,320 S (911350) Net present value