What (a) is the budget allocated to the process of researching, writing and conducting (i) socio economic impact assessments and (ii) public hearings pertaining to the (aa) Digital Development Fund Bill, (bb) ICT Economic Regulator and Tribunal Bill, (cc) Electronic Communications Amendment Bill and (dd) Electronic Communications and Transactions Amendment Bill, arising from the National Integrated ICT Policy White Paper as outlined in the 2017-20 Medium Term Expenditure Framework, (b) proportion of the projected expenditure will be spent on (i) departmental resources and (ii) external resources such as specialist consultants and (c) is the timeline drawn up to complete the drafting and submission to Cabinet of each piece of legislation?