The following are the daily returns for both the overall market and for Coastal Engineering, Inc. What is the cumulative abnormal return on Coastal Engineering, Inc., stock for this five-day period? Alpha 1.10% .20% Date 4-Aug 5-Aug 6-Aug 7-Aug 8-Aug R(m) 1.00% -. 30% -20% .50% .20% 1.30% -30% -.10% Multiple Choice -1.2% -.5%