Which type of depreciation is considered incurable when the cost to cure exceeds the value added?
Correct Answer
D) All types of depreciation can be incurable
Any type of depreciation (physical deterioration, functional obsolescence, or external obsolescence) can be considered incurable when the cost to cure exceeds the value that would be added by the cure. The economic feasibility of correction determines curability.
Why This Is the Correct Answer
Option D is correct because the definition of incurable depreciation is based on economic feasibility, not the type of depreciation. Whether dealing with physical deterioration (like a cracked foundation), functional obsolescence (like an outdated floor plan), or external obsolescence (like proximity to a landfill), any of these can be incurable if the cost to remedy exceeds the value added. The economic test of cost-to-cure versus value-added is the universal standard that determines curability across all depreciation types.
Why the Other Options Are Wrong
Option A: Physical deterioration only
Option A is incorrect because it suggests only physical deterioration can be incurable, which ignores the fact that functional and external obsolescence can also be incurable when economically unfeasible to correct.
Option B: Functional obsolescence only
Option B is incorrect because it limits incurable depreciation to only functional obsolescence, when in reality physical deterioration and external obsolescence can also be incurable based on the economic test.
Option C: External obsolescence only
Option C is incorrect because while external obsolescence is often incurable (since it's typically beyond the property owner's control), it's not the only type that can be incurable - physical and functional issues can also be incurable.
The Economic Cure Test
Remember 'ALL CURE ECONOMICS' - ALL types of depreciation follow the same CURE test based on ECONOMICS (cost vs. value added)
How to use: When you see a question about incurable depreciation, immediately think 'ALL CURE ECONOMICS' to remember that any type of depreciation can be incurable if it fails the economic test of cost-to-cure versus value-added
Exam Tip
Don't get trapped by thinking certain types of depreciation are automatically curable or incurable - always focus on the economic feasibility test as the determining factor
Common Mistakes to Avoid
- -Assuming external obsolescence is always incurable
- -Thinking physical deterioration is always curable
- -Confusing the type of depreciation with its curability classification
Concept Deep Dive
Analysis
The concept of curable versus incurable depreciation is fundamental to the cost approach in real estate appraisal. Depreciation is considered incurable when the economic cost to fix or remedy the issue exceeds the value that would be added to the property after the correction is made. This economic test applies universally to all three types of depreciation: physical deterioration (wear and tear), functional obsolescence (design deficiencies or outdated features), and external obsolescence (negative influences from outside the property). The key principle is economic feasibility - if it doesn't make financial sense to fix something, it's classified as incurable regardless of the type of depreciation involved.
Background Knowledge
Appraisers must understand that depreciation in the cost approach is categorized as either curable or incurable based on economic analysis, not the nature of the problem itself. The cost-to-cure test compares the expense of fixing an issue against the value it would add to determine if correction is economically justified.
Real-World Application
An appraiser evaluating a 1950s ranch home might find incurable physical deterioration (foundation issues costing $50,000 to fix but only adding $20,000 in value), incurable functional obsolescence (outdated electrical system), and incurable external obsolescence (busy highway constructed nearby) - all failing the economic test
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