QUESTION 4 What is the beta of a three-stock portfolio including 25% of Stock A with a beta of.90, 40% Stock B with a beta of 1.05, and 35% Stock C with a beta of 1.73? O 1.05 O 1.17 O 1.22 O 1.25 QUESTION 5 What rate of return should an investor expect for a stock that has a beta of 0.8 when the market is expected to yield 14% and Treasury bills offer 6%? O 9.2% O 11.2% O 12.4% O 12.8% QUESTION 6 Investment projects that plot above the security market line would be considered to have: O a positive NPV. a negative NPV. a zero NPV. O an excessively high discount rate. QUESTION 7 The slope of the regression line that exhibits the past relationship between a stock's return and the market's return is the: O security market line. O stock's beta. O market risk premium. O stock's unique risk