Moe and Joe are twins. Moe invested $1,000, earned 9% annually, and now has $1,992.56. Joe invested $1,000, earned 6.47%, and now has $1,992.97. Joe invested his money ________ years before Moe.

Question options:

3.5 years

3.2 years

3.0 years

2.8 years

2.5 years