assume an investor with the following utility function : U= E(r) - 0.60 (s2)

to maximize her expected utility, which one of the following investment alternatives would she choose?

A. a portfolio that pays 10% with a 60% probablility or 5% with 40% probability B. A portfolio that pays 12% with 40% probability or 5% with 60% probability C. A portfolio that pays 10% with 40% probability or 5% with a 60% probability D. A portfolio that pays 12% with 60% probability or 5% with 40% probability