
    No. 78-319.
    No. 78-320.
    Avis Rent A Car System, Inc., et al. v. City of Chicago; and Hertz Commercial Leasing Corp. v. City of Chicago.
   Sup. Ct. Ill. Certiorari denied. Reported below: 71 Ill. 2d 333, 375 N. E. 2d 1285.  