A California property owner built an extensive custom wine cellar that cost $80,000 in their home in Napa Valley. The property is now for sale. A comparable home without a wine cellar recently sold for $1,200,000. How does the wine cellar affect the property's value under the principle of contribution?
Correct Answer
B) The value of the wine cellar depends on market data showing what buyers in the Napa Valley market will pay for this feature
Under the principle of contribution, the value of an improvement is determined by what the market will pay for it, not by its construction cost. In Napa Valley, a wine region, a quality wine cellar may contribute significant value because the market demographic values this feature. However, the contribution may be more or less than the $80,000 cost. Market data (paired sales analysis) would be needed to determine the actual contributory value.
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