A software development project is based on the following: The project manager determines it is necessary to shorten the completion time for the project. a. If she decides to crash the project by one day, what activity should be crashed? Activity A Activity B Activity D Activity E b. What is the total project cost after crashing by one day? c. If she decides to crash by two days, what activity should be crashed next? Activity A Activity B Activity D Activity E d. What is the total project cost after crashing by two days