What distinguishes long-lived from short-lived components in a stated depreciation breakdown?
Correct Answer
B) Their supported replacement horizon relative to the structure’s analyzed life.
In the specified breakdown model, long-lived components are expected to serve through the supported structure-life horizon, while short-lived components require earlier replacement. Classification is relative to that horizon, not cost or inside/outside location. Long-lived parts can still deteriorate.
Why This Is the Correct Answer
Option B is correct because a short-lived component has a remaining useful life shorter than the remaining economic life of the primary improvement, while a long-lived component has a remaining life at least as long. The classification depends on the supported replacement horizon compared with the structure's life. Examples of short-lived items include roof covering, paint and water heaters.
Why the Other Options Are Wrong
Option A: Their original dollar cost when they were first installed in the building.
Option A says the difference is their original dollar cost when first installed. An expensive item can be short-lived and an inexpensive one long-lived; classification depends on remaining life, not cost.
Option C: A rule that short-lived items must be on the building’s exterior.
Option C claims short-lived items must be on the building's exterior. Many short-lived items are inside, such as floor coverings, furnaces, water heaters and kitchen appliances.
Option D: Long-lived items do not deteriorate during the structure’s life.
Option D claims long-lived items do not deteriorate during the structure's life. Long-lived components such as structural systems do deteriorate; they simply are expected to last as long as the main improvement.
Outlast the building or not
Ask whether the component will last as long as the remaining building life: if yes, long-lived; if it needs replacing sooner, short-lived.
How to use: Use this question to classify any building component in a breakdown analysis.
Exam Tip
Classification is relative to the structure's remaining life, so watch for options based on cost or location. Long-lived does not mean free of deterioration.
Common Mistakes to Avoid
- -Classifying components by their original cost
- -Assuming short-lived items are only on the exterior
- -Believing long-lived components do not deteriorate
Concept Deep Dive
Analysis
This question tests how components are classified in the breakdown method. The difference between short-lived and long-lived components is their expected remaining life compared with the remaining economic life of the main improvement. Cost and location on the building do not decide the classification.
Background Knowledge
In the breakdown method, physical deterioration is measured separately for short-lived and long-lived components. Short-lived items need replacement before the building reaches the end of its economic life. Separating them avoids double depreciation of short-lived components.
Real-World Application
An appraiser performing a breakdown analysis on an apartment building treats the roof covering, carpeting and water heaters as short-lived, each depreciated on its own age and life. The foundation, framing and wiring are treated as long-lived and depreciated with the main structure.
More Cost Approach Questions
Why can equivalent-utility replacement cost be useful for an obsolete improvement?
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What best supports a claimed loss from a bathroom-layout deficiency?
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