They cant afford Mbappe, unless they can clear alot of players off their wage bill. Even with the takeover.
"Manchester United’s transfer budget for the 23/24 summer transfer window will be £100m.
Remarkably, this would still be the case even if the Qataris took over. According to
The Athletic United’s budget will be limited due to financial fair play rules and the only way for them to raise additional funds is by selling players.
£100m in this market will not get you very far whatsoever. United will have to sell wisely in order to bring in a few of the names they desire."