PACIFICORP <PPW> BUYS BUYS COMPUTER FIRM PacifiCorp said it acquired Thomas Nationwide Computer Corp for 25 mln dlrs in cash and 15 mln dlrs in deferred consideration depending on the future performance of the company. Thomas Nationwide leases and re-markets new and used International Business Machines Corp equipment, PacifiCorp said. It said Thomas Nationwide will be combined with its Systems Leasing Corp unit in MacLean, Va.