Search for the beta of your company P&G from Yahoo Finance or any other websites. In addition, find the beta of 3 different companies within the same industry as your company P&G. Explain what beta means and how it can be used for managerial and/or investment decision. Why do you think the beta of your company (P&G) and those of the 3 companies you found are different from each other? Provide as much information as you can and be specific.