$1.$ Draw the project network and list the earliest start $($ES$),$ earliest finish $($EF$),$ latest start $($LS$)$

and latest finish $($LF$)$ for each task

$2.$ List the tasks on the critical path

$3.$ What is the expected project duration in weeks?

$4.$ What is the slack for each activity?

A: B: C: D: E: F: G:

OPS $3880$ AP$5$

$5.$ The project needs to be crashed by $2$ weeks. What are the activities crashed to achieve the $2$

week crash at lowest cost? List the new duration of each crashed task and any associated

crash costs

Activity Duration Crash Cost

A

B

C

D

E

F

G

$6.$ Draw the NEW project network and list the earliest start $($ES$),$ earliest finish $($EF$),$ latest start

$($LS$)$ and latest finish $($LF$)$ for each task

$7.$ List the tasks on the critical path