USLESS ACCOUNTS DEPARTMENT

I AM AN OLD VODACOM CLIENT!!! I RECEIVED A CALL TO UPGRADE MY CONTRACT BECAUSE IT WOULD BE CHEAPER. I HAVE A BILL THAT HAS DOUBLED THIS MONTH. FIRSTLY THE ACCOUNTS LADY DIDNT HAVE A CLUE WHAT SHE WAS TALKING ABOUT. FIRST SHE TOLD ME IT WAS A DIFFERENT NUMBER. THEN WHEN I ASKED HER TO GET HER CALCULATOR OUT AND ADD MY BILL UP SHE CAME UP WITH A DIFFERENT FUGURE AND THEN AFTERWARDS FOUND THE REST OF THE RIDICULOUS BILL WHICH HAS NOW BEEN CALLED PRORATA. I HAVE TO PAY DOUBLE THE AMOUNT BECAUSE VODACOM WORK IN ADVANCE AND NOT IN ARREARS AND I UPGRADED A WEEK INTO THE MONTH. BUT I NOT BEEN CREDITED FOR WHAT I PAID THE MONTH BEFORE CLEARLY. HOW IS IT THAT I HAVE TO PAY 2 MONTHS RED VIP CHARGES WHEN I HAVE BEEN ON A VIP PACKAGE FOR 6 YEARS.... THEN I GET TOLD ITS NOT HER PROBLEM AND I CLEARLY DONT WANT TO BE HELPED. THIS IS UNACCEPTABLE SERVICE VODACOM!!!!!!!!!! PLEASE CALL ME TO SORT ASAP!!!!!