(1) How much does PetroSA charge for the storage of crude oil per barrel; (2) whether the price charged per barrel are in line with international average prices per barrel; if not, why not; if so, how was this conclusion reached; (3) (a) which crude oil storage facilities are managed by PetroSA and (b) what are their holding capacities; (4) how much crude oil has been stored at PetroSA storage facilities (a) in the (i) 2009-10, (ii) 2010-11 and (iii) 2011-12 financial years and (b) since 1 April 2012?