Horizon is about to expand its cable TV offerings in Small-town, adding the Cooking Network and others. The activities in the table below are needed to complete the service expansion. Based on the...

Horizon is about to expand its cable TV offerings in Small-town, adding the Cooking

Network and others. The activities in the table below are needed to complete the service

expansion. Based on the information provided, answer the subsequent questions.

activity description immediate predecessors duration (weeks)

A choose stations - 2

B get town council A 4

approval

C order converters B 3

D install new dish to

receive new stations B 2

E install converter C,D 10

F change billing system B 4

a. Construct the project network diagram

b. Determine total project time.

c. Identify the critical path