Shea Is in Charge of the "Advertising Program" for the Boston

Shea is in charge of the "advertising program" for the Boston Red Sox baseball team during their spring training in Fort Myers, Florida. She has defined the advertising program as a project with the following characteristics. The goal is to fill all stadium seats during the spring training season or she may not have the same job next year-the pressure is on!
$\begin{array}{|c|c|c|}\hline \text { Activity } & \begin{array}{c}\text { Immediate } \\\text { Predecessor(s) }\end{array} & \begin{array}{c}\text { Activity Time } \\\text { in weeks }\end{array} \\\hline \text { A } & \text { None } & 1 \\\hline \text { B } & \text { A } & 2 \\\hline \text { C } & \text { A } & 3 \\\hline \text { D } & \text { A, B } & 4 \\\hline \text { E } & \text { C, D } & 3 \\\hline \text { F } & \text { D, E } & 2 \\\hline\end{array}$
-For the original critical path method problem, the minimum number of activities that would have to be crashed in order to reduce the project's earliest completion time by two weeks assuming all activity crash costs per week are the same and all activities can be crashed is:

A) one activity.
B) two activities.
C) three activities.
D) four activities.