$1-$Given the follo wing network:

a$)$ Find the earliest time the project will be completed.

b$)$ Find the critical path..

c$)$ If activity $1$ is delayed by $5$ days, find the completion time of the entire project.

$\backslash$table$[[$Activity$,],[$A$,10],[$B$,6],[$C$,11],[$D$,8],[$E$,7],[$F$,11],[$G$,10],[$H$,5],[$I$,10]]$