You have run a regression of returns of Devonex, a machine tool manufacturer, against the S&P 500 Index using monthly returns over the last 5 years and arrived at the following regression: Return Devonex = -0.20% + 1.50 Return S&P 500 If the stock had a Jensen's alpha of +0.10% (on a monthly basis) over this period, R squared is 45% - If the standard error for beta estimation is 0.2, then what is the best estimate for beta? What is the range of beta using 67% confidence level? What is the Devonex theoretical performance during the last 5 years? What is the Devonex actual performance during the last 5 years?