Oops

Just found out that if gven an offer for admission at ISB, will have to pay a hefty fee of approx.$3000 by Jan3rd.
Whats the Oops for? INSEAD has a deadline of Jan19th for final decision!
Talk about being caught between a rock and a hard place. Cant afford to pay both, completly out of the question.
This is just too hard... wish I was better planned for the whole shebang.