The city is considering upgrading their vehicle fleet to hybrid and electric vehicles. The initial cost will be $250,000. The new vehicles would result in a net benefit to the city of $35,000 per year, due to less energy consumption, lower maintenance costs, etc. The municipal policy is to use a MARR of 5%. If evaluated over 10 years, what is the actual ROR? Start with an initial guess of 5%. Give your answer to the nearest 0.1%. b. What is the UNCF? What is the PBP? Is this a good investment? Do the calculations by hand (you may use tables). a. C. d