P523ORACLE 523 Mon13 Jan C4 9714:08   PRODUCER PRICES  RISE SLIGHTLY The index of producer prices rose 0.2% in December, making the year-on-year rise 5%. The stronger pound and lower commodity prices combined to keep wholesale prices down throughout 1985. The cost of fuel and raw materials fell by 6.1%, the biggest annual drop since the 1950s. City Headlines 500 Newsfile 520 * HOLIDAYS GALORE!! * 580