(1) How (a) many consultants were appointed annually by the Passenger Rail Agency of SA (PRASA) and its predecessors since 1 January 2006, (b) much was each paid, (c) which projects was each consultant involved in and (d) much did their appointment contribute to the profitability of the company in each case; (2) whether the board approved their appointment; if not, (a) why not and (b) who approved their appointment in each case; (3) whether procurement procedures were followed; if not, why not in each case; if so, what are the relevant details in each case?