Q4. Solve the following problem (20 points) Suppose you are considering crashing a project. The project's network is as follows, along with a table identifying its critical activities and the crash costs for all tasks. a. What is the cost of the project? b. Which activities are the best candidates for crashing? c. What is the expected duration of the project once it has been fully crashed? d. What will the cost of the fully crashed project be? Project Activities and Costs (Normal vs. Crashed)