An investment of ​$109 comma 000 was made by a business club. The investment was split into three parts and lasted for one year. The first part of the investment earned​ 8% interest, the second​ 6%, and the third​ 9%. Total interest from the investments was $ 8130. The interest from the first investment was 3 times the interest from the second. Find the amounts of the three parts of the investment.