(a) What are the details of the (i) budgeted line items and (ii) amounts spent on each line item by the Road Traffic Management Corporation in respect of the Vodacom Durban July in the (aa) 2012-13, (bb) 2013-14 and (cc) 2014-15 financial years, (b) what criteria were used to determine the (i) budget and (ii) expenditure in each case in each specified financial year and (c) what outcomes were achieved in this regard?