You financed $10,500 and are making regular payments of $285.00 over the 4 year life of the loan. You would like to pay off the loan a year early. Calculate the unearned interest by
a) Actuarial Method
b) Rule of 78
c) Using your answer in part a) what would the payoff amount be?
d) Using your answer in part b) what would the payoff amount be?