Got a letter from collections department

Hi, <br> <br> I am just from the store now and I was advised that the amount due is around R800.00 but I will due I will pay the balance. I cant deal with these ***********. Please do close this account once you receive payment. I am sick and tired with your pathetic service. First there was ***** on my account now y instalment is more than R1000.00 per month and I am only owing Edgars less than R3000.00.I<br> <br> Please close this account I don't want it anymore. I paid R600.00 at the end of February and my balance was R2500.00 and 16 days later my account has accumulated R200.00 interest fee.<br> <br> I spoke to some rude Beverley from your billing department. I have been a loyal client paying my account on time and I am getting this. She tells me that the dispute that I made in January was not resolved I mean I got a call from Edgar's in February telling me the matter was resolved so it clears shows that your staff don't capture data in the system. I have so many accounts and all my account are up to date. She is telling me that my credit is R1100.00 hence my instalment is so high which is utter ridiculous so if my credit is R6000.00 and I owe Edgars R3000.00 I will be forced to pay more <br> I rec