RITE AID CORP <RAD> 1ST QTR MAY 30 Oper shr 50 cts vs 40 cts Oper net 20.8 mln vs 16.4 mln Revs 531.7 mln vs 418.7 mln NOTE: 1987 1st quarter net excludes a gain of 47.1 mln dlrs or 1.14 dlrs a share for discontinued operations.