code: def getPrice(self):
          
          analysis_request = self.aq_parent
          client = analysis_request.aq_parent
          if client.getBulkDiscount():
              price = self.getBulkPrice()
          else:
              price = self.getField('Price').get(self)
          return price
docs: The function obtains the analysis' price without VAT and without
          member discount
          :return: the price (without VAT or Member Discount) in decimal format