Well, yes. You can't just pluck arbitrary figures out of the air. Why 'for them'
Is this like wccftech now where we can just make stuff up
If he's Not counting R&D and marketing etc. Just material cost to manufacture, I reckon a 2080TI probably costs a couple of hundred quid. I am definitely making that up mind haha.
I say "for them" because I think Nvidia are starting to overprice their products so if someone told me they make greedy profit I'd probably nod and agree (with zero evidence of course )