It is plain from what has gone before that the bonus paid by the respondent to its employees is in the nature of ex-gratia payment or, as has been described in one of the settlements, it is paid as has been described in one of the settlements, it is paid as a gesture of goodwill on the part of the respondent. It is nothing else. In cannot be regarded as part of the contract of employment. Although the provisions relating to it were included in the Standing Orders and Rules, they were subsequently excluded from them.