Q2(a)(i) Construct a project network with earliest start, earliest finish, latest start and latest finish (4 marks)

Q2(a)(ii) Determine the critical path(s) of this project network (2 marks)

Q2(a)(iii) What happens to the project completion time, if activity D is delayed by 2 weeks and activity B is delayed by 1 week? Give your comments. (2 marks)

Q2(a) Choong Machinery specializes in developing grass cutting equipment. Mr Ahmad, who is an R&D engineer in the company, is contemplating the construction of a machine that would cut grass on narrow rivers and waterways. The activities that are necessary to build one of these experimental grass- cutting machines are listed in the following Table Q2.1. Activity times are in weeks. Table Q2.1: List of Activities Activity Immediate Time Predecessor (weeks) A 6 B 5 A 3 D A E B F B 6 G CE 10 H DF 7 AN TQT)