Deducted wrong amount after account is paid uo

YOU WILL BE HEARING FROM MY LAWYERS. AFTER I HAVE ALREADY COMPLAINED TO YOU AND AFTER I RECIEVED SEVERAL CALLS FROM YOU APOLOGISING FOR YOUR SEVERE INCOMPETENCE. YOU HAVE NOW DEDUCTED AN AMOUNT OF R1700 OFF MY ACCOUNT WHEN YOU INFAVT OWED ME R600 AND AFTER I PAID R1100 WHICH THE ACTUAL AMOUNT I OWED. YOU HAVE 24 HOURS TO PAY THE AMOUNT BACK. YOU ARE A BUNCH OF IDIOTS. TO THE MR S NDLOVU WHO SAID HE WOULD SORT THIS OUT. ALL OF YOU SHOULD BE FIRED. AND ANYONE READING THIS STAY THE HELL AWAY FROM CELL C!!!