BAD CACCOUNTING SERVICES

I WAS A CUSTERMOR AT IMC REACTION FOR ALMOST 8 YEARS. DURING THIS TIME IMC REACTION DEBITED MY ACCOUNT WITH DIFFERENT AMOUNTS. WHEN I ENQUIRED ABOUT IT, THEY SAID IT IS "CALLOUT FEES" I NEVER HAD ONE CSINGLE CALL OUT IN 8 YEARS. THEN THEY SAID THEY HAVE SEND OUT A LETTER TO SAY THEY ARE GOING TO DEBIT R385 FOR "COMMUNICATION FEES". INSTEAD THE DEBITED R1157 FROM MY ACCOUNT. I COMPLAIN ABOUT IT AND DEMANDED THAT THEY PAY BACK MY MONEY R772. THEY REFUSED TO PAY BACK MY MON EY