Emzansi Engineers Ltd installs network routers. The project manager Mr Abelanag Senooane has been concerned with the amount of time (weeks) it has been taking to complete several recent jobs. He is therefore determined to implement new and productive resource management techniques. Using information provided in Table 1, advise the project manager on the estimated time that the project will be completed and on the activities that need to be prioritised. The data obtained (all in days) for their latest contract is listed in Table 1; Table 1 Activity Description Predecessor(s) Optimistic Most likely Pessimistic Crash cost/day A Bonding, Insurance and tax structuring - 20 30 40 R1.500 B Foundation, concrete and footings for boxes A 20 65 80 R3.500 C Upgrading skybox stadium seating A 50 60 100 R4.000 D Upgrading walkways C 30 50 100 R1.900 E Interior wiring, lathes B 25 30 35 R9.500 F Inspection approvals E 0.1 0.1 0.1 0 G Plumbing D, F 25 30 35 R2.500 H Painting G 10 20 30 R2.000 I Hardware/AC and metal workings H 20 25 60 R2.00