Please help

Hi There, I have 2 issues and as a last resort I am here requesting that if someone can help, I will highly appreciate it. <br> 1). I have logged a few calls with my ISP Afrihost whom in return logs a call with Telkom, my line should be 8mb speed and is only syncing on 6.3mb. I once upon a time did speak to a Telkom guy on installation day 1.5years ago who did assured me 8mb is possible on my line and it changed by itself to the lower speed +-6months ago and now it stays like that and seems no-one is willing to help. <br> 2). I see that my account is more than what its suppose to be, it should only be the R189p/m as i only use it for ADSL only and have never even owned a telephone. If someone could check that the correct services are activated and that I am not charged for wrong services or that someone is not using my line in duplicate, I would really appreciate it.