(1) With reference to her reply to question 295 on 12 May 2015, what is the difference between the Ministerial Advisory Committee (MAC) and the committee of enquiry that was appointed by the Minister of Environmental Affairs; (2) what (a) is the basis of remunerating the MAC using the Department of Public Service and Administration (DPSA) rates instead of the National Treasury rates (NTRs) and (b) are the differences between the DPSA remuneration rates and the NTRs; (3) do the NTRs refer to the appointment of a committee of enquiry or an advisory committee; (4) on what basis was the MAC appointed using the NTRs?