Consider the following Activity Normal time Crash time Norma

Consider the following Activity Normal time Crash time Normal cost Crash cost Predecessor 2000 2200 500 2300 900 3000 1400 2600 2800 500 2600 1200 4200 2000 2 4 D,E What is the normal cost of completing this project within the normal completion time Your Answer:

Solution

The precedence diagram as follows :

                              A

                             B

                                      C

                              D

                             E

                                         F

                                                    G

The possible paths and their corresponding Normal Durations as follows :

A-D-G = 4 + 8 + 4 = 16

B-E-G = 2 + 6 + 4 = 12

C-F = 3 + 3 = 6

The critical path ( i.e. the path with longest normal duration ) is A-D-G

The normal duration ( i.e. the duration of critical path ) of the project is 16

Normal cost of completing the project

= Sum of Normal costs of all activities ( A through G)

= 2000 + 2200 + 500 + 2300 + 900 + 3000 + 1400

= 12300

NORMAL COST OF COMPLETING THE PROJECT IS 12300 AT NORMAL TIME OF 16

A	B	C
D	E	F
G