‘One of the most difficult parts of project management is getting the estimates right.’ Discuss.

Figure 9.11 Activity-on-node network 2 7 A

300 3 332 62 B

150 1 00 15 C

3015 4 015 45 G

745 5 162 69 E

1045 5 045 55 F

1455 6 055 69 D

1545 6 954 69 H

1469 8 069 83 EN 083 83 START 083 83