How would you solve this question?
A mechanical engineer has proposed two different HVAC systems for a new project. Either system is suitable for the project type and location, but for tax purposes, the owner prefers a higher HVAC equipment depreciation cost over the lifecycle of the system. System A is a forced air heating and cooling system with an upfront cost of $10,000, an anticipated useful life of 20 years, and a salvage value of $1,000. System B is an electric packaged terminal unit with an upfront cost of $7,500, an anticipated useful life of 15 years, and a salvage value of $1,500.
What is the annual depreciation of the system with the higher per year depreciation?
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$400 |
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$450 |
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$500 |
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System A:
(upfront cost of $10,000- a salvage value of $1,000)/ anticipated useful life of 20 years=$450
System B:
(upfront cost of $7,500- salvage value of $1,500)/ anticipated useful life of 15 years=$400
The owner prefers a higher HVAC equipment depreciation cost over the lifecycle of the system, so $450 is the correct answer.
Gang Chen, Author, AIA, LEED AP BD+C (GreenExamEducation.com)
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