Hello I am in a project management class this semester and we were learning how to draw a network diagram to determine critical paths. I need help with a problem which I have attached below.

Thank you!

Part III At Big State University you have been assigned responsibility for moving the library's computer center to a new site. The new site has been selected. The Director of the Library is unwilling to tolerate any interruption of service so parallel operation is required until the system is demonstrably working reliably at the new site. After research and consultation you conclude that the following is your best estimate of what is involved, what the delays are, and what the interdependencies are (see Table I below). i) Show the critical path on the network diagram. Which paths have a slack available? ii) Assume that the project is already underway and you have reached Task J. After 2 weeks working on task J. you are about to sign the purchase order when a lawsuit alleging lack of due process in procurement is threatened. You start over with formal Requests for Proposals, spend another 10 weeks on J, and find that the lowest bidder takes 16 weeks to deliver (K). What effect does that have on the Critical Path and project completion time? - Actions Weeks Depends on A Establish suitability of building 3 B Feasibility/plan/cost telecommunications 3 Estimate remodelling cost of building A D Get funding approved 3 B,C E Appoint project manager 1 D F Select architect for remodelling 4 D G Preparation of working drawings 5 F Optimistic 4 weeks; pessimistic 6. H Select contractor 4 G I Remodelling (incl. telecommunications) 6 H Optimistic 5, pessimistic 7. J Select/order equip for parallel operation 3 E K Take delivery of equip at new site 3 J L Establish parallel operations I.K M Certify operations at new site O.K. 3 L N Discontinue/dismantle old site 4 M 2