A comparable sale occurred 8 months ago for $450,000. Market analysis indicates prices have been increasing at 0.75% per month. What time adjustment should be applied?
Correct Answer
C) +$27,000
Why this is correct: The time adjustment accounts for market changes since the sale. Multiply the sale price by the total percentage increase over 8 months: 0.75% per month × 8 months = 6%. Then, $450,000 × 0.06 = $27,000. Since prices increased, add this amount to the comparable's sale price to reflect current value: $450,000 + $27,000 = $477,000 adjusted. However, note the correct answer key is +$27,000 as the adjustment amount, not the final adjusted price. Why the other choices are wrong: '+$31,500' might result from using 7% (0.75% × 9 or 10 months). '+$29,250' could come from applying 6.5% incorrectly. '+$33,750' might be 7.5% (0.75% × 10 months). Exam tip: Time adjustment = sale price × (monthly rate × number of months). The adjustment amount is then added to the sale price if the market has appreciated.
Why This Is the Correct Answer
The calculation follows the standard time adjustment formula: Original Price × (Monthly Rate × Number of Months). Using $450,000 × (0.75% × 8 months) = $450,000 × 6% = $27,000. Since prices have been increasing, this creates a positive adjustment of $27,000 to bring the 8-month-old sale price up to current market levels. The comparable would be adjusted from $450,000 to $477,000 to reflect today's market conditions.
Why the Other Options Are Wrong
Option A: +$31,500
This answer of $31,500 implies using 7% instead of 6%, which would result from incorrectly calculating the time period or appreciation rate. The math would be $450,000 × 7% = $31,500, but this doesn't align with 0.75% monthly for 8 months.
Option B: +$29,250
This answer of $29,250 suggests using 6.5% instead of 6% (0.75% × 8), which would be incorrect math. The calculation would be $450,000 × 6.5% = $29,250, but there's no basis for the 6.5% rate given the stated monthly appreciation of 0.75%.
Option D: +$33,750
This answer of $33,750 suggests using 7.5% instead of 6%, which would be $450,000 × 7.5% = $33,750. This could result from miscounting the months (using 10 months instead of 8) or misapplying the monthly rate.
TIME Formula
T.I.M.E. = Time period × Interest rate × Market value × Equals adjustment. Remember: 'Time flies when Interest Multiplies Market Equity'
How to use: When you see a time adjustment question, immediately identify the T.I.M.E. components: Time period (8 months), Interest rate (0.75% monthly), Market value ($450,000), then calculate to Equal the adjustment ($27,000).
Exam Tip
Always convert monthly rates to total percentage first (0.75% × 8 = 6%), then multiply by the sale price. Double-check that your adjustment direction matches market trends (up for appreciation, down for depreciation).
Common Mistakes to Avoid
- -Forgetting to multiply the monthly rate by the number of months before applying to sale price
- -Applying the adjustment in the wrong direction (negative when should be positive)
- -Using the wrong time period or miscounting months between sale date and appraisal date
Concept Deep Dive
Analysis
Time adjustments in real estate appraisal account for market appreciation or depreciation between the date of a comparable sale and the effective date of the appraisal. This adjustment ensures that older sales data reflects current market conditions by applying the rate of market change over the time period. The calculation involves multiplying the original sale price by the monthly appreciation rate and the number of months that have elapsed. Since market prices have increased, the comparable sale price must be adjusted upward to reflect what it would sell for today.
Background Knowledge
Time adjustments are one of the fundamental adjustments in the sales comparison approach, used to account for market changes between the sale date of comparables and the effective date of appraisal. The adjustment can be positive (increasing market) or negative (declining market) and is typically expressed as a dollar amount or percentage.
Real-World Application
Appraisers regularly use time adjustments when recent comparable sales are limited and must rely on older sales data. Market trend analysis from MLS data, assessor records, and local market studies provides the monthly appreciation rates used in these calculations.
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