i need e and f please! will thumbs up!

4. Consider the following project activities: ACTIVITY A B D E F G H DURATION (WEEKS) 4 5 7 3 6 6 8 4 PREDECESSORS None None B AC B D D E, G a. (*) Draw the project network diagram. b. (*) Identify all the paths through the network and their lengths. c. (**) Identify all the critical activities and path(s). How long will the entire project take? d. (**) Which activity or activities have the most slack? What are the practical implications of this slack? e. (**) Management has determined that the project must be completed in 25 weeks or less and that "cost is no object." How many paths will need to be crashed in order to meet this goal? Which activities do not need to be considered for crashing? f. (**) Just before starting the project, someone points out that (1) activity A really needs to be done before activity C, and (2) activity C needs to be completed before activity G can start. What is the impact on the expected length of the project