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# URGEN, URGEN ,URGENT I have a an operation management homework , can u help?

some one from study-pool sent me the solution, but unfortunately his solution was totally wrong and i already paid him/her.

I need some one to check the solution and solve it correctly in less than an hour.

MY DEAD LINE IS IN AN HOUR

Assignment Question(s):(Marks 5)

Question 1:

Sequence the jobs shown below by using a Gantt chart. Assume that the move time between machines is one hour. Sequence the jobs in priority order 1, 2, 3, 4.

 Job Work Center/Machine HoursDue Date (days) 1 A/3, B/2, C/2 3 2 C/2, A/4 2 3 B/6, A/1, C/3 4 4 C/4, A/1, B/2 3
• Using finite capacity scheduling, draw a Gantt chart for the schedule (Marks 0.5)
• What is the makespan? (Marks 0.5)
• How much machine idle time is there? (Marks 0.5)
• How much idle time (waiting time) is there for each job? (Marks 0.5)
• When is each job delivered? (Marks 0.5)
• Which department is the bottleneck? (Marks 0.5)
• Calculate the machine utilization? (Marks 0.5)

Question 2:

A public accounting firm requires the following activities

for an audit:

 Activity Immediate Predecessor Activity time A – 3 B A 2 C – 5 D B, C 2 E A 4 F B, C 6 G E, D 5
• Draw a network for this project? (Marks 0.5)
• Make a forward pass and a backward pass to determine ES, LS, EF, and LF? (Marks 0.5)
• What are the critical path? (Marks 0.5)

I attached the homework file, and the wrong solotion as well