Your father's current retirement savings are worth exactly $1,000,000. His retirement portfolio allocated $300,000 in T-Bills and the rest in S&P500. T-Bills have a mean return of 2% per year and are generally considered riskless. S&P500 has a mean return of 11% per year and a return volatility of 18% per year. (A) What is the mean return and the return volatility of your father's current retirement portfolio? Portfolio mean return equals %. Portfolio return volatility equals%. (B) You've done some research and belive that replacing S&P500 with Russell 3000 may benefit your father's retirement portfolio. Russell 3000 has a mean return of 13% and a return volatility of 19%. Suppose the new retirement portfolio would allocate $700,000 in Russell 3000 and the rest in T-Bills. What are the mean return and the return volatily of this new portfolio? Portfolio mean return equals %. Portfolio return volatility equals %. (C) Suppose that your father's happiness function is (-1)e - (Portfolio mean return) + 0.5(Portfolio return volatility)2 What is the happiness from the portfolio in part (A)? Happines from portfolio in part (A) equals What is the happiness from the portfolio in part (B)? Happines from portfolio in part (B) equals