1) Over the past 5 days, the common stock of Tyler Mfg. had daily returns of 0.2, -0.1, -0.2, 0.3, and 0.1 percent, respectively. For the same 5 days, the market had daily returns of 0.0, 0.1, -0.3, 0.4, and 0.2 percent, respectively. What is the cumulative abnormal return on Tyler Mfg. stock for this time period?
2) Swenson Co. announced its merger plans on August 25 and had a daily return of 0.8 percent. Tyler Co. announced its merger plans on August 26 and had a daily return of 0.6 percent. The Underwood Co. announced its merger plans on August 27 and had a daily return of -0.5 percent. The daily market returns for August 25 through August 27 were 0.2, 0.3, and -0.4, respectively. What is the combined cumulative abnormal return for the announcement date?