Exercise 9.27 Consider the following information that you have compiled regarding the steps needed to complete a project. You have identified all relevant steps and have made some determinations regarding predecessor/successor relationships. Using MS Project, develop a simple network diagram for this project, showing the links among the project activities. Activity Predecessors A - Survey site B - Install sewer and storm drainage A C - Install gas and electric power lines A D - Excavate site for spec house B, C E - Pour foundation D