Efficient frontier identified, following, efficient, possible, investor

aurific

An investor has identified the following possible portfolios. Which portfolio lies to the right of the efficient frontier?

Portfolio Expected Return Standard Deviation
A 18% 35%
B 12% 16%
C 10% 10%
D 14% 20%
E 13% 24%

A) D.

B) E.

C) A.