Wade ellis buys a car for $12,780.49. he puts 10% down and obtains a simple interest amortized loan for the balance at 12 and 1/2% interest for four years. after three years and two months of making the minimum monthly payment, he sells his car. find the unpaid balance on his loan. (round all intermediate calculations to the nearest cent. round the answer to the nearest cent.)

(a previous chegg response: $3210.06 is not the answer).