2. (60 points) A local government in Virginia is considering four different alternatives ch treatment plant. The type following summarizes the economic data for all the alternatives or a sewage Alt. A lAlt. B 6,200,0004.350,000 lAlt. 8,490,000 Up front costs O&M costs / year Benefits /year 650,00 0 450,000 800,000 1.300,000 640,000 1,800,000 The locality's cost of funds is 6%. The economic life of the project is 30 years. and incremental analysis to determine which alternative should be recommended