It is not a easy decision. 3 E2 W; g' F/ x! [4 ^" z9 ~- q7 P9 y; R7 J
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?