Question 2 As a Project Manager you are using the data available to you in the next table Activity Activity Description Predecessors Duration COSTX R1000 A Excavate 2 weeks 180 B Lay the foundation 4 weeks 320 Put up the rough wall B 10 weeks 620 D Put up the roof 6 weeks 270 E Install the exterior 4 weeks 412 plumbing F Install the interior E 5 weeks 180 plumbing G Put up the exterior D 7 weeks 903 siding Do the exterior painting E, G 9 weeks 207 Do the electrical work C 7 weeks 210 Put up the wallboard F 8 weeks 432 K Install the flooring 4 weeks 160 Do the interior painting 5 weeks 250 M Install the exterior H 2 weeks 100 fixtures Install the interior K, L 6 weeks 330 fixtures 2 2.3 2.1 Calculate project completion time 2.2 Calculate the cost per month if early start will be used (assume that budget will be equally allocated monthly in the same activity). Calculate the cost per month if late start will be used (assume that budget will be equally allocated monthly in the same activity) 2.4 What are the advantages in using 2.3? 2.5 How much will you spend in the twelfth week if you use Early start? 2.6 What is the total cost of the project. 2.7 Graphically represent the value envelope (early and late starts) (70) NNN Total marks: 100