There are few, if any, real companies with negative betas. But suppose you found one with =0.24. a-1. How would you expect this stock's rate of return to change if the overall market rose by an extra 6% ? Note: A negative answer should be indicated by a minus sign. Input your answer as a percent rounded to 2 decimal places. a-2. How would the stock's rate of return change if the overall market fell by an extra 6% ? Note: A negative answer should be indicated by a minus sign. Input your answer as a percent rounded to 2 decimal places. b. You have $1.1 million invested in a well-diversifled portfollo of stocks. Now you recelve an additional $21,000 bequest. Which of the following actions will yleld the safest overall portfolio return