Mechanical engineering Operation management & industrial engineering

OS:PLO12:03) Question 2 The various stages of a project had been identified and listed in Table Q2, together with the associated time, cost and preceding process. B NORMAL CRASH NORMAL CRASH ACTIVITY TIME TIME COST COST IMMEDIATE (WEEKS) (WEEKS) (RM) (RM) PREDECESSOR(S) 4 3 2,000 2,600 B 2 1 2,200 2,800 3 3 500 500 D 8 4 2,300 2,600 A E N 3 900 1,200 F 3 2 3,000 4,200 G 4 2 1,400 2,000 DE Table Q2 a) Develop the Activities on Node (A-O-N) diagram network and find; i. The activities that make up the critical path, ii. the completion time, and iii. the total cost (10 MARKS) (CL04:PLO1:03) b) Which activity should be crashed if the project is to be completed 1 week earlier, and at what cost? (5 MARKS) (CLO3:PLO3:C3) c) What is the maximum time that can be crashed and by how much would the cost increase? (5 MARKS) (CL04:PLO3:C4)