Company P/E Ratio Expected Growth Beta Payout Boeing 17.3 3.50% 1.1 28% General Dynamics 15.5 11.50% 1.25 40% General Motors - Hughes 16.5 13.00% 0.85 41% Grumman 11.4 10.50% 0.8 37% Lockheed Corporation 10.2 9.50% 0.85 37% Logicon 12.4 14.00% 0.85 11% Loral Corporation 13.3 16.50% 0.75 23% Martin Marietta 11 8.00% 0.85 22% McDonnell Douglas 22.6 13.00% 1.15 37% Northrop 9.5 9.00% 1.05 47% Raytheon 12.1 9.50% 0.75 28% Rockwell 13.9 11.50% 1 38% Thiokol 8.7 5.50% 0.95 15% United Industrial 10.4 4.50% 0.7 50% Estimate a PE regression with all companion variables as independent variables. What is the coefficient estimate on beta?