This document provides the cash flows for a project over 4 years and calculates the net present value (NPV) at discount rates of 0%, 12%, 19%, and 28%. It lists the cash flows for years 0 through 3, calculates the present value of each cash flow using the relevant discount rate, sums the present values, subtracts the initial investment, and provides the NPV rounded to two decimal places for each discount rate.