BAD SERVICE ****MERS PRICES CHANGES ALL THE TIME

I PAID MY ACCOUNT THAT I WAS TOLD I WILL PAY MONTH END OF NOVEMBER ALL OF SUDDEN I NEEDED TO PAY IMMEDIATELY. I MADE PAYMENT THIS MORNING STILL THEY SEND ME R1725 TO PAY AND MY WFI HAS BEEN CUT . BEEN CALLING THE VOICE SAYS THE LINES ARE RINGING OFF THE HOOK. TERREBLE SERVICE . I HAVE NEVER RECEIVED AN EMAIL THAT STATE I NEED TO PAY AFTER THEY BRING THE ROUTER. NOW THEY THERE IS NONE TO TALK TOO NOW