One hour please

Problem 4. Project Network Computation. (20 points) Consider We Build Construction's latest project: We Build is developing a 1-story medical office building on available land near a hospital. The following table details the project's 8 work activities. a) Draw the project network using the format as the legend. b) Compute the early start (ES), early finish (EF), late start (LS), late finish (LF) and the total slack (SL) for each activity. a) Identify the critical path, presented by a sequence of activity IDs. c) Show your calculation steps for the early start (ES) and total slack (SL) of activity C. d) Show your calculation steps for late finish (LF) of activity F. TD Activity A Foundation B Concrete slab C Structural members DRoof E Rough electrical E Heating and air conditioning G Walls H Interior finish Duration (days) Predecessor Activities Legend ESD EF SL Description LS DUR 7070