An investment of $1 each in two different securities led to a value of $10 (Security A) and $20 (Security B), respectively, after 15 years. When comparing the rate of return earned by the two securities, it can be said that

Security B earned a higher average annual rate of return.

Security A earned a higher average annual rate of return.

both securities earned the same average annual rate of return.

it is impossible to calculate the securities rates of return based on this information.