Part III. Project Management

Horizon Cable is about to expand its cable TV offeringsin Smalltown by adding MTV and other

exciting stations. The activities in table below must be completed before the service

expansion is completed.

Activity Description Immediate

Predecessors

Duration

$($Weeks$)$

A Choose stations none $2$

B Get town council to approve expansion A $4$

C Order converters needed to expand service B $3$

D Install new dish to receive new stations B $2$

E Install converters C$,$ D $10$

F Change billing system B $4$

a$.$ Draw the AOA $($Activity$-$on$-$Arrow$)$ network for the project and label the nodes so that i