The activities described by the following table are given for the Howard Construction Project to remodel an existing facility. All times are in weeks.
Activity Immediate Predecessor(s) Duration
A NONE 9
B A 7
C A 3
D B 6
E B 9
F C 4
G E,F 6
H D 5
I G,H 3
a. create the AON PERT diagram for Howard Construction’s project
b. Using ES, EF and LS, LF methodology, determine and identify the critical path
c. what is the project completion time
d. How much total slack is there on non-critical paths