I need help solving this problem

Intro You make a one-time investment of $400 and leave it for 5 years, earning an annual interest rate of 5%. Part 1 [1] Attempt 1/10 for 10 pts. How much interest will you have earned after 5 years? Part 2 B 1 - Attempt 1/10 for 10 pts. If you leave the entire amount in your account for another 5 years and earn the same interest rate, how much interest will you earn over the second 5-year period