Question: Below are the data for a Time-Cost CPM Scheduling model analysis. The time is in days. Activity Immediate Predecessor Normal Time Crash Time Normal Cost

Below are the data for a Time-Cost CPM Scheduling model analysis. The time is in days.

Activity	Immediate Predecessor	Normal Time	Crash Time	Normal Cost	Crash Cost
A	None	4	3	185	391
B	A	4	3	322	609
C	A	1	1	238	185
D	B and C	5	4	499	549
E	D	4	2	490	907

a. What is the total time of this project? Please give your answer in days.

b. What are the total normal cost of this project? Please give your answer in $.

c. If you crash this project to reduce the total time by one day (keeping the cost as low as possible), what is the total cost of the project? Please give your answer in $.

d. If you crash this project to reduce the total time by three days (keeping the cost as low as possible), what is the total cost of the project? Please give your answer in $.

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