PRINCIPLES OF SUPPLY CHAIN MANAGEMENT

a. Consider the project network diagram shown below. Using this diagram and

the activity duration times listed below, calculate the ES, EF, LS, and LF times for all activities.

b. Identify all critical activities. How long will the project take?

H

B

G

K

C

I

M

A

E

L

D

J

F

Activity Duration

(days)

Earliest Start (ES)

Earliest Finish (EF)

Latest Start (LS)

Latest Finish (LF)

Critical Activity?

A 4

B 11

C 6

D 7

E 4

F 5

G 6

H 7

I 4

J 5

K 6

L 7

M 4

The project will take

days