F500 FRP vs Big 4 EVS for MBA

Hello monkeys,

I'm currently waiting to hear back from a couple ibanking super saturdays. That being said, I have some offers that are about to expire. Given the positive probability that I do not get an IB offer, I need to devise backup plans. In such a scenario, I'd like to be able to set myself up for entrance into a solid B-School so I can try again.

I have a current offer from a Finance Rotation Program which is highly looked upon internally at a Fortune 500. I also have an Economics and Valuation offer from a Big 4. I like the people at the big 4 slightly better. Both firms provide great training, room to advance (though advantage to the Big 4 given the circumstances), and similar pay.

I would highly appreciate some insight into which initial employment opportunity would provide the best environment to enter an M7 MBA. Let's assume an all else equal scenario here (no need to discuss extracurriculars, school, et cetera).

Thank you