Two plant design alternatives have been proposed fossil-fuel power plant project. Use the net present value "NPV" method to determine economic choice. Here is the summary of these two design alternatives in the picture. Please solve with detailed steps and determine the best choice economically.

Alternative 1 Alternative 2 3500 1000 1000 600 Two plant design alternatives have been proposed fossil-fuel power plant project. Use the Net present Value "NPV" method to determine economic choice. Here is the summary of these to design alternatives. Throttle steam pressure (psi) Throttle steam temperature (F) Reheat Teamperature (F) Plant Size (MW) Net plant heat rat (Btu/kWh) 100% load 180% load 160% load 35% load Plant life Construction cost (S/kw) Levelized fuel cost (S/MBtu) Interest rate(%) Fixed charge rate (%) Unit loading Information 2400 1000 1000 600 9000 8860 9000 8860 9180 10080 30 800 1.25 15 11.5 9040 9920 30 850 1.25 15 11.5