RALEIGH, North Carolina, Dec. 2 -- The North Carolina Department of Commerce issued the following news release: Unemployment rates (not seasonally adjusted) increased in 99 of North Carolina's counties in October and decreased in one. Edgecombe County had the highest unemployment rate at 7.5 percent while Orange County had the lowest at 3.1 percent. All fifteen of the state's metro areas experienced rate increases. Among the metro areas, Rocky Mount had the highest rate at 6.2 percent while Ash  more