Four Squares Productions, a firm hired to coordinate the release of the movie Pirates of the Caribbean: On Stranger Tides (starring Johnny Depp), identified 16 activities to be completed before the release of the film. The appropriate data are shown in the following table: This exercise contains only parts a and c . The activities that represent the project's critical path are c) If it is determined that activities I and J are not necessary, this finding will result in to the length of the project..