Question: Consider the following project network and activity times (in days):

Activity A B C D E F G

Time 3 2 5 5 6 2 2

The crashing data for this project are as follows:

Time (days) Cost ($)

Activity Normal Crash Normal Crash

A 3 2 800 1400

B 2 1 1200 1900

C 5 3 2000 2800

D 5 3 1500 2300

E 6 4 1800 2800

F 2 1 600 1000

G 2 1 500 1000

a. Find the critical path and the expected project completion time.

b. What is the total project cost using the normal lines?