In the administration of this Act, the Attorney General may accept an Assurance of Voluntary Compliance with respect to any method, act or practice deemed to be violative of the Act from any person who has engaged in, is engaging in, or was about to engage in such method, act or practice. Evidence of a violation of an Assurance of Voluntary Compliance shall be prima facie evidence of a violation of this Act in any subsequent proceeding brought by the Attorney General against the alleged violator.