BILLING NOT RECEIVED STILL ASKED TO PAY O/DUE AMT

On the 15th of May I sent another complaint on Hello Peter and was said to speak to the Arrear accounts dept on 011 - *** whom I did contact and spoke to a call centre agent named Larry and he told me that I must go in and pay the account even though i did not receive the letter stating the concession for my mother-in-law and the amount thats reflecting as an arrears amount will be removed from the account. I phoned in yesterday and spoke to another call centre agent who told me that Larry is not in and that he will speak to the Supervisor,he puts me on hold and says that he can see that the account was paid for R81.40 which should have been R75 but the arrears amount cannot be removed from the account and that R41.40 is still overdue on the account.I dont understand because I am querying this account since October 2014 but with no help from the SABC at all. I have to keep writing to Hello Peter in order to get someone to help me. I feel that there are all *********** people that work in the call centre.please assist urgently with matter as this is now very frustrating to keeping calling and sending e-mails.Go look for the people that do not have valid tv licence. Acc no