Need help with my Saxophone please?

Question:One of the keys won't work. If I push it up it'll stay up and if I push it down it'll stay down.
If I take it to the music shop to get repaired how much do you think it'll cost roughly?
Any advice welcome
thanks

Best Answer - Chosen by Asker: One of the keys won't work. If I push it up it'll stay up and if I push it down it'll stay down.
If I take it to the music shop to get repaired how much do you think it'll cost roughly?
Any advice welcome
thanks

I think your problem is a simple one. If you can't cure it by some lubrication for example then the music shop may well charge you ￡20 for an investigation plus the cost of any replacement parts plus tax of course.