code: def item_prices(pronac, data):
      
      threshold = 0.1
  
      outlier_info = get_outliers_percentage(pronac)
      outlier_info['is_outlier'] = outlier_info['percentage'] > threshold
      outlier_info['maximum_expected'] = threshold * outlier_info['total_items']
  
      return outlier_info
docs: Verify if a project is an outlier compared
      to the other projects in his segment, based
      on the price of bought items.