Ct. App. Cal., 1st App. Dist. [Probable jurisdiction noted, 456 U. S. 960.] Motions of Union of Industries of the European Community and Committee on Unitary Tax for leave to file briefs as amici curiae granted. Motion of Committee on State Taxation of the Council of State Chambers of Commerce for leave to participate in oral argument as amicus curiae and for additional time for argument denied.