A building has an actual age of 12 years and an effective age of 18 years. If the total economic life is estimated at 50 years, what is the remaining economic life?
Correct Answer
B) 32 years
Remaining economic life is calculated using effective age, not actual age. Remaining economic life = Total economic life - Effective age = 50 - 18 = 32 years.
Why This Is the Correct Answer
Option B is correct because remaining economic life must be calculated using effective age, not actual age. The formula is: Remaining Economic Life = Total Economic Life - Effective Age. With a total economic life of 50 years and an effective age of 18 years, the calculation is 50 - 18 = 32 years. Effective age is used because it better represents the building's actual condition and functional utility relative to its expected lifespan.
Why the Other Options Are Wrong
Option A: 38 years
Option A incorrectly uses actual age instead of effective age in the calculation (50 - 12 = 38 years), which fails to account for the building's true condition and functionality.
Option C: 44 years
Option C appears to add the actual age to the remaining economic life or uses an incorrect formula, resulting in 44 years, which exceeds the logical remaining life.
Option D: 68 years
Option D of 68 years is impossible since it exceeds the total economic life of 50 years, likely resulting from adding values instead of subtracting.
REAL Formula
REAL = Remaining Economic life uses Effective Age Logic. Remember: 'REAL appraisers use EFFECTIVE age for REMAINING life calculations.'
How to use: When you see remaining economic life questions, immediately think 'REAL' and look for the effective age, not the actual age, then subtract from total economic life.
Exam Tip
Always identify which type of age is given in the problem and remember that remaining economic life calculations always use effective age, never actual age.
Common Mistakes to Avoid
- -Using actual age instead of effective age in the calculation
- -Adding ages instead of subtracting from total economic life
- -Confusing total economic life with remaining economic life
Concept Deep Dive
Analysis
This question tests the fundamental concept of remaining economic life in real estate appraisal, which is critical for depreciation calculations in the cost approach. The key distinction being tested is between actual age (chronological age since construction) and effective age (age based on condition and functionality). Effective age reflects how much wear and tear the building has experienced relative to its expected total economic life, which may differ significantly from actual age due to maintenance, renovations, or deterioration. Understanding this relationship is essential for accurate depreciation estimates and property valuation.
Background Knowledge
Effective age represents the age of a building based on its condition, maintenance, and functionality rather than its chronological age since construction. A well-maintained building may have an effective age less than its actual age, while a poorly maintained building may have an effective age greater than its actual age.
Real-World Application
An appraiser evaluating a 12-year-old office building that has been poorly maintained might assign an effective age of 18 years, meaning it shows wear equivalent to an 18-year-old building, thus having only 32 years of remaining useful life for depreciation calculations.
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