(1) What is the total cost of audit fees paid by the National Treasury to independent auditors (a) in the (i) 2012-13 and (ii) 2013-14 financial years and (b) since 1 April 2014; (2) whether this auditing could ordinarily have been performed by the office of the Auditor-General; if not, why not; if so, why did the National Treasury outsource this auditing to independent auditors instead of it being performed by the office of the Auditor-General?