With reference to his replies to questions 340 and 1292 on 8 April 2015 and 6 May 2015 respectively, whether the National Treasury has concluded the assessment of the (a) financial costs, (b) financial implications and/or (c) economic implications of (i) the nuclear build programme and (ii) the nuclear build programme compared to any other specified alternative energy generation option(s); if not, why not in each case; if so, what are the relevant details in each specified case?