2-15) Evaluating Risk and Return Start with the partial model in the file Ch02 P15 Build a Model.xlsx on the textbook's Web site. The file contains data for this problem. Good- man Corporation's and Landry Incorporated's stock prices and dividends, along with the Market Index, are shown here. Stock prices are reported for December 31 of each year, and dividends reflect those paid during the year. The market data are adjusted to include dividends. Goodman Corporation Landry Incorporated Market Index Year Stock Price Dividend Stock Price Dividend Includes Dividends 2021 $25.88 $1.73 $73.13 $4.50 17,495.97 2020 22.13 1.59 78.45 4.35 13,178.55 2019 24.75 1.50 73.13 4.13 13,019.97 2018 16.13 1.43 85.88 3.75 9,651.05 2017 17.06 1.35 90.00 3.38 8,403.42 2016 11.44 1.28 83.63 3.00 7,058.96 f. If you formed a portfolio that consisted of 50% Goodman stock and 50% Landry stock, what would be its beta and its required return? Suppose an investor wants to include some Goodman Industries stock in his portfolio. Stocks A, B, and C are currently in the portfolio, and their betas are 0.769, 0.985, and 1.423, respectively. Calculate the new portfolio's required return if it consists of 25% Goodman, 15% Stock A, 40% Stock B, and 20% Stock C.