# CPM, problem : Minimum cost schedule, Crashing

Information concerning a project is given below. Indirect project costs amount to $250 per day. The company will incur a $100 per day penalty for each day the project lasts beyond day 14.

a) What is the project's duration if only normal times are used?

b) What is the minimum-cost schedule?

c) What is the critical path for the minimum-cost schedule?

Activity Normal Normal Cost Crash time crash cost immediate Predecessor

Time ($) (days) ($)

A 5 1,000 4 1,200 ---

B 5 800 3 2,000 -----

C 2 600 1 900 A,B

D 3 1,500 2 2,000 B

E 5 900 3 1,200 C,D

F 2 1,300 1 1,400 E

G 3 900 3 900 E

H 5 500 3 900 G

https://brainmass.com/math/optimization/cpm-problem-minimum-cost-schedule-crashing-104318

#### Solution Summary

This posting contains solution to following CPM Crashing problem.