CMA（P2）備***——Corporate Finance

　　The next 4 questions are based on the following information. Techspace has been a successful stock over the past few years despite its riskiness. The state of the economy has a tremendous effect on the expected returns for Techspace as shown below:
　　State of the economy       Probability      Returns
　　Depression                            5%                      -45%
　　Recession                            15%                      -10%
　　Minimal slowdown               20%                        5%
　　Stable                                     40%                        10%
　　Expansion                              15%                      30%
　　Significant expansion   5%   35%B.1.1. What is the expected rate of return on Techspace stock?
　　A. 7.5%
　　B. 15%
　　C. 35%
　　D. 25%
　　B.1.2. The standard deviation of Techspace returns is
　　A. 7.5
　　B. 17.35
　　C. 3.01
　　D. 1.0
　　B.1.3. The total weighted squared variance of Techspace returns is
　　A. 43
　　B. 301
　　C. 75
　　D. 2738
　　B.1.4. The coefficient of variation of Techspace returns is
　　A. -1.0
　　B. 1.0
　　C. 1.3
　　D. 2.31
　　B.1.5. The systematic risk of an individual security is measured by the
　　A. standard deviation of the security’s rate of return.
　　B. covariance between the security’s returns and the general market.
　　C. security’s contribution to the portfolio risk.
　　D. standard deviation of the security’s returns and other similar securities.
　　B.1.6. Which one of the following would have the least impact on a firm’s beta value?
　　A. Debt-to-equity ratio.
　　B. Industry characteristics.
　　C. Operating leverage.
　　D. Payout ratio.