1) What are the expected return and the standard deviation for Tiffin Co. stock? Turn Co. Rate or Return Scenario Paar Care Most Likely Good Case Probability of Scenario 0.25 0.50 0.25 31% 6% 2) Assume that you are holding the following portfolio: Amount Invested Stock X $40,000 Stock Y S25.000 Stock Z $35,000 Beta-1.3 Beta 1.8 Betis 2.2 If the risk-free rate of return is 2% and the market risk premium is 7%, what is the required return on the portfolio