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Sales ComparisonMEDIUM16.4% of exam

Two sales in the same subdivision are identical except that one has a swimming pool. They sold in the same month for $362,000 (with pool) and $347,000 (without). What does this pair indicate for the pool?

Correct Answer

C) $15,000

In paired sales analysis, properties identical except for the characteristic being measured are compared, and the adjustment is the difference in their prices: $362,000 − $347,000 = $15,000. A single pair should be confirmed with other data before relying on it.

Answer Options
A
$362,000
B
$7,500
C
$15,000
D
$347,000

Why This Is the Correct Answer

Option C is correct because the paired sales differ only by the pool and sold in the same month, so the adjustment is the price difference: $362,000 − $347,000 = $15,000. This is the indicated contribution of the pool from this pair. A single pair should be confirmed with other data before relying on it.

Why the Other Options Are Wrong

Option A: $362,000

Option A, $362,000, is wrong because it reports the sale price of the house with the pool rather than the difference between the two sales. The pool's indicated contribution is $362,000 − $347,000 = $15,000.

Option B: $7,500

Option B, $7,500, is wrong because it halves the price difference: ($362,000 − $347,000) ÷ 2 = $7,500. Paired sales analysis uses the full difference, $15,000.

Option D: $347,000

Option D, $347,000, is wrong because it reports the sale price of the house without the pool. The pool's indicated contribution is the difference between the two prices, $15,000.

One difference, one subtraction

If two sales differ by only one feature, subtract one price from the other to measure that feature.

How to use: Use this when a question gives two nearly identical sales and asks for the value of one feature.

Exam Tip

In paired sales questions, the answer is the price difference, not either sale price or a fraction of the gap.

Common Mistakes to Avoid

  • -Reporting one of the sale prices instead of the difference
  • -Halving the difference between the paired sales
  • -Relying on one pair without confirming it with other data

Concept Deep Dive

Analysis

This question tests the basic paired sales technique. When two sales are identical except for one feature, the difference in their prices indicates the market's reaction to that feature. Here the only difference is the pool, so the price gap measures the pool's contribution.

Background Knowledge

Paired sales analysis compares sales that are alike except for the element being measured, so the price difference can be attributed to that element. When sales differ in more than one way, other differences must be adjusted first, which makes the result less reliable.

Real-World Application

An appraiser finds two model-match homes in the same subdivision that sold the same month, one with a pool. She uses the price difference as one indication of the pool's contribution and checks it against other pairs in the area.

paired sales analysismatched pairspool adjustmentadjustment supportcontributory value
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