Cancelled contract triple billing

I asked for a cancellation quote in January, which was R206.70. I was lead to believe that this will be the only amount payable and paid it. In March I get a letter from you threatening to hand me over if I don't pay another R206.70. <br> I spoke to your accounts dept who referred me to your retentions dept who in return referred me back to accounts with nobody wanting to take responsibility. After going back and forth with no assistance I decided to just pay the amount again so this won't hang over my head in the future.<br> So what do you guys do then? You debit my account for ANOTHER R206.70! How many times must I pay this?<br> PAY BACK THE MONEY!!!!