Problem $5\mathrm{.}17($Static$)$

The following CPM network has estimates of the normal time in weeks listed for the activities:

a$-1.$ Determine the critical path.

A$-$B$-$E$-$G

A$-$C$-$F$-$G

A$-$C$-$E$-$G

A$-$B$-$D$-$G

a$-2$ Determine the early completion time in weeks for the project.

Early completion time

weeks

For the data shown, reduce the project completion time by three weeks. Assume a linear cost per week shortened.

b$-1.$ Which activitles in order of reduction would be shortened?

G$-$D$-$A

D$-$G$-$A

D$-$B$-$C

A$-$G$-$D

b$-2.$ Find the resulting cost to crash.

Resulting cost to crash