(Using the CAPM to find expected returns) Santo Capital operates two mutual funds headquartored in Houston, Texas. The film is evaluating the stock of four different firms for possible inclusion in its fund holdings. As part of their analysis, Sante's managers have asked their junior analyst to estimate the investor required rate of return on each firm's shares using the CAPM and tho following estimates. The rate of interest on short form US Treasury securities is currently 45 percent and the expected return for the market portfolio is 85 percent. What should be the expected rates of return for each investment Security Beta A 1.48 B 0.73 143 D 0.71 (Click on the icon in order to copy its contents into a spreadsheet)