code: def charge(self, code, each_amount, quantity=1, description=None):
          '''
          Add an arbitrary charge or credit to a customer's account.  A positive
          number will create a charge.  A negative number will create a credit.
          
          each_amount is normalized to a Decimal with a precision of 2 as that
          is the level of precision which the cheddar API supports.
          '''
          each_amount = Decimal(each_amount)
          each_amount = each_amount.quantize(Decimal('.01'))
          data = {
              'chargeCode': code,
              'eachAmount': '%.2f' % each_amount,
              'quantity': quantity,
          }
          if description:
              data['description'] = description
          
          response = self.product.client.make_request(
              path='customers/add-charge',
              params={'code': self.code},
              data=data,
          )
          return self.load_data_from_xml(response.contentf charge(self, code, each_amount, quantity=1, description=None):
          '''
          Add an arbitrary charge or credit to a customer's account.  A positive
          number will create a charge.  A negative number will create a credit.
          
          each_amount is normalized to a Decimal with a precision of 2 as that
          is the level of precision which the cheddar API supports.
          '''
          each_amount = Decimal(each_amount)
          each_amount = each_amount.quantize(Decimal('.01'))
          data = {
              'chargeCode': code,
              'eachAmount': '%.2f' % each_amount,
              'quantity': quantity,
          }
          if description:
              data['description'] = description
          
          response = self.product.client.make_request(
              path='customers/add-charge',
              params={'code': self.code},
              data=data,
          )
          return self.load_data_from_xml(response.content)
docs: Add an arbitrary charge or credit to a customer's account.  A positive
          number will create a charge.  A negative number will create a credit.
          
          each_amount is normalized to a Decimal with a precision of 2 as that
          is the level of precision which the cheddar API supports.