Answer :
We need to know how much must Sheila invest at 8% to earn $2,500
Let the money invested is x
So,
8% of x = $2,500
so,
[tex]\begin{gathered} 0.08\cdot x=2500 \\ x=\frac{2500}{0.08}=31,250 \end{gathered}[/tex]So, to earn 2,500 at a ratio of 8%, she should invest $31,250
So, the answer is option E. none of these