Based on Markowitz's theory, which of the following portfolios do NOT belong on the efficient frontier? Portfolio Expected Return Standard Deviation 1 10% 12% 2 11% 13% 3 14% 12% 4 17% 17% 5 19% 17% A) 1, 2, and 4 B) 3 and 5 C) 1 and 2 D) 1 and 3