Has the SA Passenger Rail Agency applied the preference points and prescribed formula system in the awarding of all contracts within supply chain and procurement as expressed in (a) paragraph 2 of the Preferential Procurement Policy Framework Act, Act 5 of 2000, and (b) section 51 of the Public Finance Management Act, Act 1 of 1999, as amended; if not, why not; if so, (i) which contracts and (ii) to what value?