Whether she conducted an investigation to establish (a) how and (b) why rentals were incorrectly deducted from staff members’ salaries in the 2008-09 financial year, resulting in the revenue falling below the mark for the 2007-08 financial year; if not, why not; if so, (i) where did the fault lie, (ii) why were the rentals deducted incorrectly and (iii) on what basis was the determination made that the rentals were incorrect?