An architect has been awarded a contract to prepare plans for an urban renewal project. The job consists of the following activities and their estimated value. Draw a critical path arrow diagram for this project, indicate the critical path and calculate the total slack and free slack for each activity. Job Description Predecessor Expected time in days A Prepare preliminary NA sketches B Outline specifications NA C Prepare drawings A D Write specifications AB E Run prints CD F Have specifications printed BD Assemble bid package EF