TBG HOLDINGS N.V. <TGBN.AS> 1986 YEAR NET Net profit 34 mln dlrs vs 43 mln dlrs. Turnover 1.82 billion dlrs vs 1.83 billion. NOTE: Company lowered to nine pct from 13.5 pct interest rate on outstanding subordinated loan for period august 1, 1987, to July 31, 1988. TBG, formerly known as <Thyssen-Bornemisza Group>, reports in dlrs since December 1, 1984, the start of the 1985 financial year. TBG said the decline in profits was mainly caused by losses in container rental activities.