Question: 1. The table on the next page describes the various activities of a construction project in a chemical plant.
(a) Set up and solve an LP model using Excel to crash this project to 22 days. What is the total crashing cost?
(b) Assuming each activity can only be crashed in whole days, what is the earliest completion of this project? What is the total associated crash cost?
2. A new order filling system needs to be installed as soon as possible. The table on the next page lists the project's activities and their predecessors. Also provided is the cost information to reduce the standard activity times. Set up and solve an LP model using Excel to crash this project to 24 days. What is the total crashing cost?
