Unhappy Client

I contacted Nimble Group and requested my settlement for a Cell C account and the amount that was quoted was R3711.62 and they confirmed the amount in writing and after paying the amount, I requested a paid up letter and then one of their consultants Ntombi sent me a reply saying that there is an outstanding amount of R5408.91.

I am not happy as I asked them on several emails to confirm the amount that I need to pay in writing and now they are coming up with stories.

I am not prepared to pay the amount that they are requesting because that is not what they quoted me.