An entrepreneur is starting a new business. The activities and times required are given below:

a$.$ Find the critical path and the project completion time.

multiple choice

A$-$B$-$G

A$-$C$-$F

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

B$-$F

b$.$ What are the ES$,$ LS$,$ EF$,$ and LF for each activity?

c$.$ How much slack is there in activity D$?$