496 U.S. 543 496 U.S. 543 110 S.Ct. 2535 110 L.Ed.2d 492 TEXACO INC., Petitionerv.Ricky HASBROUCK, dba Rick’s Texaco, et al. No. 87-2048. Argued Dec. 5, 1989. Decided June 14, 1990. Syllabus Between 1972 and 1981, petitioner Texaco sold gasoline at its retail tank wagon prices to respondent independent Texaco retailers but granted substantial discounts […]