THE SYSTEM OF SUPPORTING CONSUMER RIGHTNESS DECISIONS AT PT. FIFGROUP USES THE C4.5 METHOD. By Andrie Fernando 090381821005 ABSTRACT FIF is a company that manages a business with several branches of business underit.FIFGROUP is a company that provides fund financing services. One of them is FIFASTRA which is only focused on financing and for two-wheeled vehicles. FIFGROUP motorcycle credit fina…