
    (No. 6182
    Commonwealth Edison Company, A Corporation, Claimant, vs. State of Illinois, Department of Public Aid, Respondent.
    
      Opinion filed November 9, 1971.
    
    Joseph C. Sibley, Jr. and Emmet T. Gallagher, Attorneys for Claimant.
    William J. Scott, Attorney General; Saul R. Wexler, Assistant Attorney General, for Respondent.
   Perlin, C.J.  