With reference to the annexure to his reply to question 1875 on 3 July 2017 regarding transaction advisers, what was the monetary value of the following tenders for which transaction advisers were used by the Passenger Rail Agency of South Africa, (a) Smec/Vela VK for the Rolling Stock and Depot Upgrade 2013-2014 (HO/EPMO/023/08/2011), (b) Gibb for the Rolling Stock and Depot Upgrade 2013-2014 (HO/EPMO/023/08/2011), (c) KPMG for the Rolling Stock and Depot Upgrade 2013-2014 (HO/EPMO/023/08/2011), and (d) Ledwaba Mazwai Attorneys for the Rolling Stock and Depot Upgrade 2013-2014 (HO/EPMO/023/08/2011)?