Answer:
income approach
Step-by-step explanation:
Base on the scenario been described in the question, we can say that the approach the real estate professional used and is most applicable when valuing an owner-occupied residential house is income approach
The income approach, or the income capitalization approach, is a type of real estate appraisal method that allows investors to estimate the value of a property based on the income the property generates to them. It’s used by taking the net operating income (NOI) of the rent collected by the investors and dividing it by the capitalization rate. Which will give us the income approach