Nigel finds the vacation house of his dreams and takes out a mortgage loan, borrowing $210,000 at 3.5% payable monthly for 20 years. He has made 4 payments of $1,217.29 in this calendar year, and the interest portion of each payment can be deducted on his income tax forms. How much interest did he pay total in the first four payments on this loan? (round to pennies)