What is the appropriate use of a published cost service in the cost approach?
Correct Answer
C) As a source checked and localized as needed
A published cost service is a source to be evaluated for its date, location factors, construction quality, scope, and match to the property. Apply supported adjustments when needed; do not add a second local adjustment if the estimate already properly reflects that location. Analyze depreciation and other elements required by the assignment separately. Publication alone is not proof that a generic figure fits the subject, and a service does not replace the appraiser’s judgment.
Why This Is the Correct Answer
Option C is correct because a published cost service is a source to be checked and localized as needed. The appraiser evaluates its date, location factors, construction quality and scope against the subject and applies supported adjustments. The appraiser should not add a second local adjustment if the estimate already reflects that location properly.
Why the Other Options Are Wrong
Option A: As a substitute for analyzing the local market
Option A is wrong because it uses the cost service as a substitute for analyzing the local market. A service does not replace the appraiser's judgment, and its figures must be checked against local conditions.
Option B: As the sole support for accrued depreciation
Option B is wrong because it treats the cost service as the sole support for accrued depreciation. Depreciation is a separate element of the cost approach that must be analyzed on its own, often with market evidence.
Option D: As a figure the appraiser may adopt unexamined
Option D is wrong because it lets the appraiser adopt the figure unexamined. Publication is not proof that a generic cost figure fits the subject property.
Check it, then localize
Treat a cost manual like a generic recipe: check that the ingredients match your property, then season for local conditions once. Depreciation is a separate dish.
How to use: Use this when an answer choice lets a published cost figure stand in for market analysis or depreciation support.
Exam Tip
Look for the answer that treats a published source as something to evaluate and adjust, not one that adopts it unexamined or extends it to depreciation.
Common Mistakes to Avoid
- -Applying a local multiplier twice when the cost estimate already reflects location
- -Relying on cost service figures as the sole support for accrued depreciation
- -Adopting a generic cost figure without matching quality and date to the subject
Concept Deep Dive
Analysis
This question tests how a published cost service fits into the cost approach. A cost service is a source to evaluate for date, location factors, quality, scope and fit, then adjust as supported. It does not replace market analysis, support depreciation by itself, or allow unexamined adoption.
Background Knowledge
The cost approach estimates the cost to replace or reproduce improvements, subtracts accrued depreciation, and adds land value. Cost services supply base costs and multipliers that must be matched to the subject's quality, size, date and location.
Real-World Application
An appraiser uses a national cost service for a custom home and notes that the service's local multiplier already reflects the county. The appraiser adjusts for the home's above-average finish quality but does not apply an extra location factor, and estimates depreciation separately from market evidence.
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