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 2 sketches B Outline specifications 1 C Prepare drawings A 3 D Write specifications AB 2 E Run prints CD 1 LL F Have specifications printed BD 3 G Assemble bid package EF 1