Xa new employee charged $ 4440 on his credit card to relocate for his first job. after noticing that the interest rate for his balance was 18 % compounded monthly comma he stopped charging on that account. he wishes to pay off his balance in 2 years using automatic payments sent at the end of each month. a. what monthly payment must he make to pay off the account at the end of 2 years? b. how much total interest will he have paid?