MC Qu. 14 Solving for Rates What annual rate of return is earned on a Samt MC Qu. 14 Solving for Rates What annual rate of retum is earmed on a Sam.. Solving for Rates What annual rate of return is eamed on a $2 500 invostmont when it grows to $5,500 im twelvo years 6.25% o 220% o 6.79% 0 1.20%