With reference to the announcement by the Passenger Rail Agency of South Africa (Prasa) of the insourcing of 3 000 security guards, with the subsequent exclusion of many persons who provided services to Prasa but did not meet the requirement of having a Matric certificate, including job losses at Prasa, as the workers were effectively disqualified for the positions that were advertised as they do not meet the specified requirement, (a) why has Recognition of Prior Learning (RPL) experience and expertise accumulated over time not been considered in this case and (b) what total number of security guards who were providing services to Prasa have been left out of the insourcing drive?