(1.) 2 pages text and 1 page graphs/equations maximum for your answer. Suppose that the City of Greeley, Colorado has to justify the net benefits of a proposed water treatment plant. (A) Name and discuss the importance of the four things that the City must consider in terms of estimating the Present Value of Net Benefits (PVNB). (B) Calculate the PVNB's from the following information: Year 0 1 2 3 4 5 6 Cost Benefit 100 10 50 20 30 20 20 40 20 100 10 120 10 150 (1) PVNB (@4%) = (ii) PVNB (@8%) = (c) Given the benefit and cost schedules and PVNB calculations, explain why the City would prefer a 4% compared to an 8% rate