(1) What are the tariffs or port charges that are imposed at all South African ports; (2) whether such port charges are less than (a) the global average and (b) the charges by ports in Mozambique and Namibia; if not, (i) why not and (ii) what action has been taken or is being taken by him and/or his department to ensure that port charges at South African ports are reduced in order to be competitive and lower than the (aa) global average and (bb) charges at ports in Mozambique and Namibia; if so, what are the relevant details?