The following table gives information on a project (T in days, C in $1,000s):

a. Draw the network diagram. Under normal conditions, what is the earliest the project can be completed? What is the direct cost? What is the critical path?

b. What is the cost of the project if it is completed 1 day earlier? Two days earlier?

c. What is the earliest the project can be completed? What is the lowest cost for completing it in this time?

d. If overhead (indirect) costs are $20,000 per day, for what project duration are total project costs (direct + indirect) lowest?

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Activity A Immediate Predecessors ABCDEFG Normal Crash C T C 10 2 38 12 18 422262 12 36 40 33 50 100 A B, D C 10 F, E 6446300 20 30 10 20