It is not a easy decision. ! p# F+ G8 `$ T& f: `6 o- K- q" V) Z% _4 o
If I were you, I do not reject this offer for now, ask the possibility to do a part time supervisor.
first, congrats on the supervisor offer. second, you need to make your timeline more clear: are you planning to do BBA right after diploma (so in april)? or will you be doing BBA in september?