With regard to the roll-out of mobile units to issue Matric learners with identity documents, (a) what total number of mobile units were deployed to high schools throughout the month of June 2020 to receive applications for identity documents for Matric learners, (b) does his department intend for the specified mobile units to visit all of the approximately 6 000 high schools across the Republic before the end of the current school year and (c) what plans are being discussed with the Department of Basic Education for learners who will (i) not have identity documents by the end of the current school year due to the lockdown ban on identity document applications and (ii) be unable to receive their results and Matric certificates?