CORE INDUSTRIES INC <CRI> 2ND QTR FEB 28 NET Shr 20 cts vs 22 cts Net 1,948,000 vs 2,124,000 Sales 40.9 mln vs 41.0 mln Six mths Shr 40 cts vs 50 cts Net 3,864,000 vs 4,835,000 Sales 81.7 mln vs 79.9 mln NOTE: 1986 results include gain on sale of land of 571,000 dlrs, or six cts a share 1986 results include loss from discontinued operations of 403,000 dlrs, or four cts a share in the quarter and 598,000 dlrs, or six cts a share in the six months