SOFIA (Bulgaria), May 9 (SeeNews) - Bulgarian lighting equipment retailer Svetlina [BUL:3LX] said on Thursday that its board of director has found the revised buyout offer by diversified group Synergon Holding [BUL:6S7], priced at 5.5 levs ($3.2/2.8 euro) per share, a fair offer to the company's minority shareholders.