i=10%

Problem-1: For the costs shown in the table below, perform a present worth (PW) analysis to select the most economic power system. The MARR is i % per year and the costs are in dollars. Power First cost Annual operating cost Salvage value Life in years Electric - 4500 - 900 450 12 Gas - 3500 - 700 350 8 Problem-1: For the costs shown in the table below, perform a present worth (PW) analysis to select the most economic power system. The MARR is i % per year and the costs are in dollars. Power First cost Annual operating cost Salvage value Life in years Electric - 4500 - 900 450 12 Gas - 3500 - 700 350 8