Consider the following project data: $(8\%)$

a$)$ Construct the PERT network. $($Refer to Question

#$2$ for the structure to use$)$

b$)$ Indicate the earliest and latest start and finish

times for each activity.

c$)$ Identify the critical path and give the estimated

project completion time.

d$)$ Which activities must not be delayed to ensure

project completion as in $($b$)?$

e$)$ Suppose activity D is delayed four hours. How much is the project delayed?

f$)$ How much slack does activity F have?

Activity Preceding Completion

Times

in hoursActivities

A $-3$

B A $4$

C A $3$

D B $3$

E C $7$

F B$,$C $3$

G D$,$E $6$

H C $2$