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

a$-1.$ Determine the critical path.

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

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