dolution

Given the following table, use activity-on-arrow (AOA) to draw the network diagram and answer below questions.

Activity Save your time - order a paper! Get your paper written from scratch within the tight deadline. Our service is a reliable solution to all your troubles. Place an order on any task and we will take care of it. You won’t have to worry about the quality and deadlines Order Paper Now	Predecessor Activities	Duration, Days (normal, crash)		Cost, $ (normal, crash)
a		5,4		50, 100
b	a	3,2		30, 90
c	a	3,3		40, 40
d*	a	5,2		50, 140
e**	b	4,2		20, 100
f*	c	3,1		30, 110

Suppose the project must be crashed by 2 days. What is the best option and how much will be the total project cost?

a. Crash activity (a) one day and activity (b) one day with total project cost of $330.

b.Crash activity (e) two days and activity (f) two days with total project cost of $360.

c.Crash activity (e) two days and activity (f) one day with total project cost of $340.

d.Crash activity (e) two days with total project cost of $300.

The project Critical Time:

a.12 days

b.14 days

c.11 days

d.10 days

What is the network critical path?

1/ a,c,f

2/ a,b,e

3/ a,c,e

4/ a,d,f