(1) What amount has the National Housing Finance Corporation (NHFC) spent on legal fees in resolving staff dismissal disputes since 1 January 2008; (2) (a) which positions resulted in the spending of legal fees to resolve staff dismissal disputes since 1 January 2008 and (b) what (i) was the (aa) nature, (bb) cost and (cc) resolution of each dispute and (ii) is the current vacancy rate at the NHFC?