GERMAN COST OF LIVING FALLS IN MARCH ON YEAR-AGO The cost of living in West Germany was provisionally unchanged in March compared with February but fell 0.2 pct against March 1986, the Federal Statistics Office said. In February the cost of living rose 0.1 pct from January but fell 0.5 pct compared with February 1986. The office said final figures for March will be released in about 10 days.