Project Management Class Hello I need help with the following assignment

Your University is holding a fund-raiser and will be hiring a band to entertain spectators. You have been selected to serve as the event project manager and have created a Work Breakdown Structure and duration estimates for the activities involved in site preparation for the event. Construct a network activity diagram based on the following information: Activity A B C D E F G H Description Site Selection Buy Concessions Rent Facilities Build Stands Generator& Wiring Security Lighting Installation Sound System Stage Construction Rehearsal for Concert Stage Approved Lighting approved Concert Tear Down Predecessors None None None A A B DE EGH u Duration (DAYS) 12 10 5 5 10 5 7 10 10 10 10 5 10 5 - J J K L M N KI M 1. Conduct a forward and backward pass using Activity on the Node (AON) 2. Identify the total duration for the project. 3. Identify the Critical Path 4. Show the Float Calculation which is Late Start minus Early Start