Charged for customer service agent not doing their job

<p>I am not owing R480 on my account.</p> <p>I phoned last month and made a payment arrangement, i then paid R600, on the 1st September i got an sms stating i am owing an additional R108, which i paid on the 2nd September.</p> <p>I phoned the customer service call centre and was told the R480 is interest charges "AS YOU AGENT I SPOKE TO WHEN I MADE THE PAYMENT ARRANGEMENT, DID NOT LOG THE PAYMENT ARRANGEMENT".</p> <p> </p> <p>I WILL NOT PAY THIS AMOUNT DUE TO YOUR STAFF NOT COMPLETING A SIMPLE TASK AS LOGGING A PAYMENT ARRANGEMENT.</p> <p>I AM SO SICK OF STRUGGLING WITH MTN AND WILL GUARANTEED NOT RENEW OR UPGRADE ANY OF MY TWO CONTRACTS.</p> <p> </p> <p>REVERSE THIS PAYMENT AT ONCE AS I WILL NOT PAY MONEY FOR NO REASON AT ALL. HOW DO YOU HOLD YOUR CLIENT RESPONSIBLE FOR YOUR AGENTS INCOMPETENCE?????</p>