The Following Are the Daily Returns for Both the Overall

Multiple Choice

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?
$$\begin{array} { r r r } \text { Date } & \text { R(m) } & \text { Alpha } \\\text { 4-Aug } & 1.00\%& 1.10\% \\\text { 5-Aug } & - .30\% & .20\% \\\text { 6-Aug } & - .20\% & .30\%\\\text { 7-Aug } & .50 \% & - .30\% \\\text { 9-Aug } & .20\% & - .10\%\end{array}$$

A) -1.2%
B) -.5%
C) 0%
D) .2%
E) 1.2%