Suppose that Mr. Juice requests that Wonderland, from the previous problem, offer him an interest rate of 8.5%.To make this work, Juice promises to put up collateral worth $X.In order to make Wonderland willing, what does X need to be?

Previous Problem:

Suppose Mr. Juice needs a $5,500 loan and the bank, Wonderland Banking, has decided that this guy will repay with probability 0.89, and default otherwise.At a competitive interest rate, Wonderland will require a loan repayment of $ ______.