A comparable property sold for $250,000 six months ago. If the market has been appreciating at 0.5% per month, what is the time-adjusted sale price?
Correct Answer
B) $257,500
Time adjustment = $250,000 × (1 + 0.005 × 6) = $250,000 × 1.03 = $257,500. The sale price is adjusted upward to reflect current market conditions.
Why This Is the Correct Answer
Option B correctly applies the time adjustment formula using simple interest calculation. The calculation is $250,000 × (1 + 0.005 × 6) = $250,000 × 1.03 = $257,500. Since the market has been appreciating at 0.5% per month for 6 months, the comparable sale price must be adjusted upward by 3% total to reflect current market conditions. This adjustment brings the historical sale price forward to the current date for proper comparison.
Why the Other Options Are Wrong
Option A: $250,000
Option A fails to make any time adjustment, leaving the sale price at the original $250,000, which ignores the 6 months of market appreciation at 0.5% per month.
Option C: $242,500
Option C incorrectly adjusts the price downward to $242,500, which would imply market depreciation rather than the stated appreciation of 0.5% per month.
Option D: $262,500
Option D shows $262,500, which represents a 5% increase ($12,500), suggesting an error in either the rate calculation or time period application.
TIME Formula
T.I.M.E. = Time × Interest × Money × Equals adjustment. Remember: Original Price × (1 + rate × months) = Adjusted Price
How to use: When you see a time adjustment question, immediately identify: (1) Original sale price, (2) Monthly rate, (3) Number of months elapsed, then apply the T.I.M.E. formula
Exam Tip
Always check whether the market is appreciating (add) or depreciating (subtract), and remember that time adjustments typically use simple interest, not compound interest
Common Mistakes to Avoid
- -Confusing appreciation with depreciation and adjusting in the wrong direction
- -Using compound interest instead of simple interest for the calculation
- -Forgetting to multiply the monthly rate by the number of months elapsed
Concept Deep Dive
Analysis
Time adjustments in real estate appraisal account for market appreciation or depreciation between the sale date of a comparable property and the effective date of the appraisal. This adjustment ensures that comparable sales reflect current market conditions rather than historical values. The calculation involves applying the monthly appreciation rate to the original sale price over the time period that has elapsed. Time adjustments are critical for maintaining accuracy in the sales comparison approach, especially in rapidly changing markets. The formula uses simple interest calculation: Original Price × (1 + rate × time periods) = Adjusted Price.
Background Knowledge
Time adjustments are one of the four primary adjustments made in the sales comparison approach, along with location, physical characteristics, and terms of sale. Appraisers must understand how to calculate both appreciation and depreciation adjustments using market data and statistical analysis.
Real-World Application
In practice, appraisers analyze market trends using paired sales analysis or regression analysis to determine monthly appreciation rates, then apply these rates to adjust comparable sales to the effective date of the appraisal
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