The average returns, standard deviations, and betas for three funds are given below along with data for the S&P 500 Index. The risk-free return during the sample period is 6%. Fund Beta T11 Ave 1369 13 199 12195 12.0% Std Der 4096 2596 T04 159 10 13 S&P 500 is preferred. If these funds are subcomponents that make up part of a well-diversified portfolio, then portfolio_ fund A fund B fundC The answer cannot be determined from the Information given