An investment of $40,000 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 $3060. The interest from the first investment was 2 times the interest from the second. Find the amounts of the three parts of the investment.

What is the amount of the first part of the investment $??

What is the amount of the second part of the investment $??

What is the amount of the third part of the investment $??