Incorrect billing of my DSTV account

I am struggling for the last 2 months for DSTV to deduct the correct amount from my bank statement. My installment is R998 26 October 2015 they deducted R2322 and 26 November 2015 R1649. They uploaded 2 premium packages on my account. The refund for the first incorrect amount was refunded to me on the 23 November 2015. Just to see 3 days later another error was made. DO I SAY *********** PEOPLE!!!!!. Surely it cannot be so difficult to fix the error. I spend 2 hours at DSTV Port Elizabeth, problem solved mam. Eish, problem NOT SOLVED.<br> Can someone please help me,!!!