Final answer:
The technique to extract the amount of adjustment from the market is called comparable sales.
Step-by-step explanation:
The technique to extract the amount of adjustment from the market is called comparable sales. Comparable sales is a method used in real estate and business valuation to determine the value of a property or business by comparing it to similar properties or businesses that have recently been sold. By analyzing the selling prices of these comparable properties or businesses, adjustments can be made to determine the value of the subject property or business.