Any person who willfully uses, or has willfully used, a method, act or practice in violation of this act which victimizes or attempts to victimize an older person or a person with disabilities, and commits such violation when the person knew or should have known that the conduct was unfair or deceptive, shall make restitution or reimbursement to the older person or person with disabilities including reasonable attorney fees and costs, and, in addition, is liable for a civil penalty of up to fifteen thousand dollars ($15,000.00) for each violation recoverable by the office of the attorney general.