BILLING OF ACCOUNT

I HAVE CONTACTED YOU NUMEROUS TIMES. YOU NOW SAY YOU GONNA PASS CREDIT BUT I MUST FIRST PAY FULL BILL THEN YOU WILL PASS THE CREDIT FOR THE MISTAKE YOU MADE. WHY MUST I PAY FOR YOUR MISTAKE. FIRST FIX MY ACCOUNT PASS MY CREDIT AND THEN INVOICE ME. YOU KNOW YOU MADE THE MISTAKE AND AGREED ON FIXING IT. BUT WILL ONLY DO IT AFTER I PAID FOR YOUR MISTAKE. I AM SORRY BUT YOU WILL FIRST CORRECT MY ACCOUNT THEN I WILL PAY MY BILL. WE TALKING ABOUT 2000 RAND HERE NOT JUST CHANGE.<br>