ELECTRO RENT CORP <ELRC> 3RD QTR FEB 28 NET Shr 20 cts vs 32 cts Net 1,358,000 vs 2,476,000 Revs 27.1 mln vs 26.2 mln Nine Mths Shr 68 cts vs 1.05 dlrs Net 4,957,000 vs 8,129,000 Revs 82.6 mln vs 78.8 mln