A person has credit card balances of -4360 dollars on a Discover® account and -1825 dollars on a MasterCard® account.
a. Find the unit ratio of the Discover balance to the MasterCard balance. Round the result to the second decimal place.
b. If the person wishes to pay off both accounts gradually in the same amount of time, describe how the result you found in part (a) can help guide the person in making her next payment.