I need help solving this problem

A painting by Rembrandt was recently sold for $57 million. Before that, it was sold for $30 million 14 years ago, and for $4 million 38 years ago. Part 1 1* Attempt 1/10 for 10 pts. What was the annual rate of return from the earliest purchase to the most recent sale? Part 2 Attempt 1/10 for 10 pts. What was the annual rate of return from the purchase 14 years ago to the most recent sale