Their response:
FYI, their math is incorrect. . .
To date, I have received $500 and have made payments totaling $387.50 leaving a balance due of $112.50. I am willing to repay the $112.50 balance in two installments of $56.25 via cc
Dear Helen,
Thank you for your email. We are sorry to hear that you are unhappy about your recent experience. Our reputation is important to us and, as such, we are willing to consider the circumstances surrounding your request in order to determine the appropriate action.