answer to the comment: please clarify what you mean this is the full question

Question 3. This question is about Project Planning. The project manager of Arroyolleno Development is putting together a schedule which contains the following tasks, and their dependencies. Descriptions are not provided: Duration (weeks) 5 6 7 Activity Depends on A B C D A E F G D,E H F 1 G J G K H,1 L J Table 1. 8 8 3 6 7 8 6 7 a) Using the data from Table 1, draw a network (using activity-on-node notation) and then calculate, and notate on drawing, the various timings (early/late start/finish). (5 marks) b) What the Total Project Time, and the Critical Path? (2 marks) On seeing the timings and costs, the client informs Arroyolleno that there is a hard deadline of 2 weeks earlier than the stated end time, and requests that you shorten the project to accommodate this. The manager carries out further negotiations and has reached a point where the project can be recalculated to provide a shortened version. See Table 2. Shortened Cost per week Shortened Duration 3 4 Shortened Cost (s) 14800 14000 Activity Duration (Weeks) A 5 B 6 D 7 E 8 F. 8 4 4 5 Shortened Available 2 2 0 3 3 1 0 1 3 2 2 3 Original Cost (s) 14000 13000 13000 12000 14000 13500 15000 11000 12000 14500 13000 11000 13500 15800 13950 7 3 5 -- H 6 7 4 6 11650 13200 16100 14300 12800 6 J K L Table 2. 4 7 4 c) What is the project's Total Original Cost, and Shortened Cost per week for each activity? (6 marks) Using your initial calculations, and the completed data from Table 2, decide on the activity that should be shortened, recalculate the timings (see 3d). Your goals are to shorten the project by 2 weeks, and to provide the best value final Total Project Cost. (Total Original Cost + additional costs per week). d) Redraw the network to show the ened project Calculate the timings and state the critical path (or paths). (5 marks) e) What are the final costs for the project? (2 marks) (Total 20 marks)