The following are the daily returns for both the overall market and for Dexter Inc. What is the cumulative abnormal return on Dexter, Inc., stock for these 5 days? Please choose from one of the answers and please show calculation. Thanks

uutperUm most professional money managers especially over longer-perio support the argument that the stock market is inefficient. 12. The following are the daily returns for both the overall market and for Dexter Inc cumulative abnormal return on Dexter, Inc., stock for these 5 days? Date 16-Aug 17-Aug R (m) 1.30% -0.30% 18-Aug -0.20% 19-Aug 20-Aug. 0.20% 0.50% Dexter I 1.10% 0.20% 0.00% -0.20% -0.30% % A. B. C. D. E. -0.7 percent -0.3 percent -0.2 percent 0.3 percent 0.6 percent the study one the following the for trade Be the study of which of as basis