The assignment content is a series of tables showing the net present value (NPV) calculations for three different systems: System 1, System 2, and System 3. The tables provide data on the present value of each system's cash flows from 2015 to 2020, along with the project cost and net return. Based on the NPV calculation, it is recommended that the company select System 1 for investment due to its higher returns, better payback period, and high positive NPV.