Question: Below are the data for a Time - Cost CPM scheduling model. Times are in days and costs include both direct and indirect costs. Activity

Below are the data for a Time-Cost CPM scheduling model. Times are in days
and costs include both direct and indirect costs.
Activity Immediate
predecessor
Normal time Crash
time Normal cost
(in dollars) Crash cost
in dollars
A None 322040
B A 433045
C A 432035
D B and C 325060
E D 215055
a. What is the duration of this project?
b. What is the critical path?
c. Which activity will you shorten in order to shorten this project by one day?
Explain the reason for your choice.

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