Job offer includes bonus that has to be repaid with 8% interest if I leave before end of 3 years. Not sure how to weigh the offer.

Bonus is $50,000. Job is very much a lateral move in terms of pay (~140k) but is a better commute.

There are similar jobs in my area which come with student loan forgiveness benefits, which I would jump ship for if I could in the next 3 years, so there's a chance I do leave.

I have a personal policy of never turning down $50,000 (turning down the $50,000 is an option), but I'm not quite sure how to do the financial calculus on this one.

Currently have $40k saved up, no immediate need for $50k (though it might entice me to buy a home if I had it).

How should I be thinking about this offer?