With reference to the audit on ghost workers within (a) her department and (b) the SA Tourism, (i) on what date was such an audit undertaken, (ii) what was the result of the specified audit, (iii) what number of ghost workers or non-existent officials was identified, (iv) what have been the cost to her department and the SA Tourism in the past three financial years and the current financial year to date in this regard, (v) what investigations have been undertaken in this regard, (vi) what were the outcomes of the investigations in each case and (vii) what processes, procedures and mechanisms are being implemented to ensure that the type of fraud is not repeated in future?