In a private action in which an unfair or deceptive act or practice is alleged under RCW
19.86.020, a claimant may establish that the act or practice is injurious to the public interest because it:
(1) Violates a statute that incorporates this chapter;
(2) Violates a statute that contains a specific legislative declaration of public interest impact; or
(3)(a) Injured other persons; (b) had the capacity to injure other persons; or (c) has the capacity to injure other persons.