Pertamina University wants to replace all of its 800 lamps with an energy specification of 120 watts.
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Question:
Pertamina University wants to replace all of its 800 lamps with an energy specification of 120 watts. Assume that the daily use of lights is 8 hours. If Pertamina University wants to replace lamps with more efficient technology with the energy specifications below:
Lampu A
Investment : 20 USD/lamp
Energy Specifications: 60 Watt
Interest Rate : 8 %
Lifetime : 10 years
Electricity Price : 80 USD/MWh
Lamp B
Investment : 20 USD/lamp
Energy Specifications: 60 Watt
Interest Rate : 8 %
Lifetime : 10 years
Electricity Price : 80 USD/MWh
Choose the best decision based on the Benefit-Cost-Ratio !
Related Book For
Engineering Economy
ISBN: 978-0132554909
15th edition
Authors: William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
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