(1) What amount has his department spent on maintenance of the homestead of the President, Mr Jacob G Zuma, in Nkandla in the (a) 2012-13, (b) 2013-14 and (c) 2014-15 financial years; (2) does his department have employees posted at the homestead of the President in Nkandla on a full- or part-time basis; if so, for what reason?