A PAM partner company won a tender to provide clean water distribution facilities in an area that is being developed as a tourist area. There are 2 alternatives that can be taken in implementing the project. The first alternative requires construction and installation costs of IDR 10 million per kilometer with maintenance costs of IDR 0.35 million per kilometer per year. The remaining value is estimated at IDR 1 million per kilometer at the end of the 20th year. The second alternative requires construction and installation costs of IDR 7 million per kilometer with maintenance costs of IDR 0.40 million per kilometer per year. The remaining value is estimated at IDR 1.2 million per kilometer at the end of the 20th year. If the company chooses the first alternative, the length of the pipe that must be installed is 10 kilometers, and if the second alternative the length of the cable is 16 kilometers. Determine which alternative is more efficient using MARR = 11%!

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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A PAM partner company won a tender to provide clean water distribution facilities in an area that is being developed as a tourist area. There are 2 alternatives that can be taken in implementing the project. The first alternative requires construction and installation costs of IDR 10 million per kilometer with maintenance costs of IDR 0.35 million per kilometer per year. The remaining value is estimated at IDR 1 million per kilometer at the end of the 20th year. The second alternative requires construction and installation costs of IDR 7 million per kilometer with maintenance costs of IDR 0.40 million per kilometer per year. The remaining value is estimated at IDR 1.2 million per kilometer at the end of the 20th year. If the company chooses the first alternative, the length of the pipe that must be installed is 10 kilometers, and if the second alternative the length of the cable is 16 kilometers. Determine which alternative is more efficient using MARR = 11%!
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