Bloom (and Barber) have already said they intend to invest to fund a "competitive" or "strengthen" the squad next season.
If we sell players , they will need replacing. We have a first team squad at the moment of 18/19 so a minimum of 6 signings at least. We won't need to sell further to bring...
Conversely as FFP conditions have been loosened in the recent Football League vote, you could argue that from the summer we'd have potentially more to spend than in previous windows. (assuming Bloom wants to cough up that is).
Here's COG's quotes about his future via The Argus this morning
via http://www.theargus.co.uk/sport/albion/11750682.O_Grady_hints_he_wants_to_stay_at_Albion/
Not sure story has changed at all and OP only quoting what everyone knows and is in public domain...
There's agreement with Sheffield United, "to recoup the original fee - 500K" (Argus) not "200K" but its only dependent on us getting a striker in addition to Best. And Hughton keeps saying nice...