They may want 80m for Mount now. Whether anyone wants to pay that is a different question. They need to raise sufficient funds to cover FFP by the end of this month (Mount's sale would assist with that), so they will have to accept what the highest bidder pays before then in all probability, and...
There is a rush for Chelsea to get ££££ in before the end of June so they don't fall foul of FFP. Hence why the Mount transfer is so pressing. How much they need to raise to cover the FFP, I've no idea, and wonder whether we can extricate some dullard from pornhub to find out.
They have a dual problem: they have a surfeit of players (including CBs); and they need to raise money to address FFP. Everyone else knows it. That doesn't put them in the position to dictate what happens. Doubt Chalobah will attract a fee of £10m, whereas we already know that Levi will attract...