I am paying for Internet that is down for 2 weeks.

I have a data packages and line that Afrihost manage. I have phoned numerous times to get this resolved and receive the same feedback, that they will escalate the matter and that a manger will resolve it, but this never happens. My Internet line they manage is completely dead and is not registering on the modem at all. I also purchased a brand new modem and it was exactly the same. Two weeks of no Internet but I am still paying the full amount. This is absolutely ridiculous. I am a business owner and this affect my business drastically.