Isis Is Currently Sitting in a Car Dealership's Showroom

Isis is currently sitting in a car dealership's showroom.She wants to buy a car for purely personal use, but since she cannot afford to pay cash, she will finance the purchase with credit.She nevertheless is eager to close the deal and drive away with the car this afternoon.The dealership is willing to business with Isis, but it knows that the transaction must satisfy several special requirements.Which of the following is LEAST likely to be one of those requirements?

A) allow a minimum of 30 days to remedy any default on the credit
B) disclose the interest rate
C) disclose the costs of the car
D) disclose the payment scheme
E) allow Isis to retain possession unconditionally once she has paid ⅔ of the price