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What is the economic rationale (reasoning) for the sales comparison approach of appraisal? A rational buyer would pay no more for a property than the present value of the future income expected from that property. A rational buyer would pay no more for a property than the cost of replacing such a property. The current market value of a property is best indicated by the sales prices of similar properties in the relevant market that have sold in arms-length transactions. O None of the answers is the rationale for the sales comparison approach