When a broker is preparing a CMA, he collects data on the seller's property and a number of comparable properties. In making adjustments, which statement is true?
1) The broker does not need to make any adjustments
2) The broker only needs to make adjustments for the seller's property
3) The broker only needs to make adjustments for the comparable properties
4) The broker needs to make adjustments for both the seller's property and the comparable properties