Marvin Is an Expected Utility Maximizer

Multiple Choice

Marvin is an expected utility maximizer.He chooses his portfolio so as to maximize the expected value of 2,000,000x - x².If m is the mean of Marvin's income and s is the standard deviation, Marvin's income as a function of the mean and standard deviation is

A) U = 2,000,000m -s².
B) U = 2,000,000m - s.
C) U= m - s/2,000,000.
D) U = 2,000,000 + s.
E) None of the above.