Task: Development of a new deluxe version of a particular software product is being considered. The activities necessary for the completion of this are listed in the table below.
Activity Normal Time Crash Time Normal Cost Crash Cost Immediate Predecessor
A 4 3 2,000 2,600 -
B 5 3 2,200 2,800 -
C 3 3 500 500 -
D 8 4 2,400 2,600 A
E 6 3 900 1,200 B
F 3 2 3,000 4,200 C
G 4 2 1,700 2,000 D,E
1) If you wish to reduce the time required to complete this project by two weeks, which activity(ies) should be crashed, and how much will this increase the total cost?
2) What would be the added cost if you wanted to complete the project in the minimum time possible?