Time Cost CPM scheduling analysis table

Question 16: Time-Cost CPM Scheduling Model Analysis

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 $213 $397
B A 4 3 $307 $623
C A 1 1 $212 $212
D B and C 5 4 $503 $551
E D 4 3 $494 $897

Part b: 4 points

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

Part c: 6 points

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 $.
Locally stored answer:

Part d: 6 points

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 $.
Locally stored answer: