Why is there more to it? The full accounts are viewable on companies house - see link
https://find-and-update.company-info...filing-history
Most of the increase (Nearly £4m) can be attributed to Salaries, NI etc. That will be 100% on players.
My concern would be, how do they bring it line for next season. People seem to think there's a massive pot of unspent TV and transfer money available.
If the club pushed things more and spent more money this season as rumoured, they should communicate it to supporters and be pretty honest about it.