Southern California Edison Co.’s parent company boosted...

Southern California Edison Co.’s parent company boosted its bid for San Diego Gas & Electric to $2.16 billion from $2.12 billion. The offer was SCEcorp’s “best and final offer,” according to SCEcorp Chairman Howard P. Allen, who made the bid in a letter delivered to SDG&E; Chairman Thomas A. Page. SCEcorp increased the ratio of the proposed stock swap to 1.225 shares of Edison for each share of SDG&E;, up from 1.20 shares. SDG&E; will study the latest offer, according to a spokesman. SCEcorp has demanded a response from SDG&E;’s board by the close of business today.