(1) How much was paid to Eskom staff members in bonuses in the 2014-15 financial year; (2) whether each staff member received a bonus; if not, what criteria were used to determine the awarding of a bonus; if so, what are the relevant details; (3) whether performance assessments were concluded; if not, what is the position in this regard; if so, what are the relevant details; (4) how much was paid to the (a) chief executive officer, (b) chief financial officer and (c) chief operations officer in respect of (i) salaries and (ii) bonuses in the past three financial years?