protected function _isAllBankInformationSet($requiredFields, $bankInformation)
    {
        $isSet = true;
        foreach ($requiredFields as $fieldName) {
            if (!isset($bankInformation[$fieldName]) || !trim($bankInformation[$fieldName])) {
                $isSet = false;
                break;
            }
        }

        return $isSet;
    }