Samson Co Announced Its Merger Plans on October 25 and Had

Multiple Choice

Samson Co. announced its merger plans on October 25 and had a daily return of .5 percent. Thompson Co. announced its merger plans on October 26 and had a daily return of .8 percent. The Whitewood Co. announced its merger plans on October 27 and had a daily return of −.4 percent. The daily market returns for October 25 through October 27 were .2, −.3, and .4, respectively. What is the combined cumulative abnormal return for all companies who announced mergers from October 25 through October 27?

A) .0%
B) .2%
C) .6%
D) .8%
E) 1.0%