a.A person who offers or sells a fine print in violation of this Act shall be liable to the person purchasing such fine print from him. The purchaser may sue to recover the consideration paid for such print, with interest at the legal rate thereon, upon the tender of the print.b.In any case in which a person willfully offers or sells a fine print in violation of this Act, the person purchasing such fine print may recover from the person who offers or sells such fine print an amount equal to 3 times the amount required under paragraph (a) of this Section.c.No action shall be maintained to enforce any liability under this Section unless brought within one year after discovery of the violation upon which it is based and in no event more than 3 years after the print was sold.