Task time estimates for a production line setup project at Robert Klassen$$s Ontario factory are as follows:

ACTIVITY TIME $($In Hours$)$ Immediate Predecessors

A $6-$

B $7\mathrm{.}2-$

C $5$ A

D $6$ B$,$C

E $4\mathrm{.}5$ B$,$C

F $7\mathrm{.}7$ D

G $4$ E$,$F

You have been hired as the manager of this project; the company has asked you to complete the following:

$1.$ Develop a CPM$/$PERT AON network. $(8$ Marks$)$