I suspect this may be a wind-up. OP registered yesterday, has made one post and is using what looks like a temporary email address.
Surely if you were going to drop that sort of cash on stock you'd either know the answer to such a basic question already or would ask the breeder? Happy to be proven wrong, apologies to the OP if I am.
As to how much they cost, a farmer in Scotland bought 10 ewes and a tup in 2014 for £55k...