(1) (a) How many offices of the South African Post Office are leased in privately owned retail centres in Gauteng and (b) where are they situated; (2) are any offices of the South African Post Office leased in centres owned by a certain property group (name furnished); if so, (a) how many, (b) what is the duration of the lease and (c) have any of these offices been closed due to non-payment of rent?