ZIMBABWE expects its average annual inflation to slow to 134% in 2020, according to a finance ministry document, more than halving the central bank's previous forecast. The country is grappling with its worst economic crisis in more than a decade, with runaway inflation of 659.4% year-on-year in September, and severe shortages of foreign currency, food and medicine. The document, outlining Zimbabwe's strategy for the 2021 budget which is set to be delivered at the end of November, said the slowdown in inflation would be thanks to a deepening of the foreign currency auction market, which is expected to aid exchange…