Account balance is INCORRECT

This is now the 3th F%&*ing time im trying to get through the thick headed staff at Telkom<br> <br> A dispute was logged in Jan 16 as an amount was include in my billing that was not supposed to be there<br> they later called me and said the amount was credited, (which is ******** as I never seen that on my bill)<br> <br> I then paid some money to my account which was R6343.00 and I paid 2 x R1000 in Jan and Feb 16 (also taking in note the credit memo that the assholes said they did credit R800<br> <br> So make me f^*(() understand how is my bill still 6343.00 when the balance should reflect +- 3543.00<br> Account number is ***<br> <br> I WANT THIS SORTED OUT NOW YOU ASSHOLES !!!<br> <br> Telkom Invoices Payments <br> Dec 15 1,483.20 <br> Jan 16 6,343.00 -1000 Payment<br> Feb -16 5,700.40 -1000 Payment<br> Mar 16 5,165.05 -800 (Dispute)<br> <br> 6,343.00 -2800 3,543.00Balance