Operations Management assignment, NEED IT IN Half hours, just send me the handshake, dont ask me question, dont offer if you know nothing about it.

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a. A machine shop needs to schedule jobs to be processed.  Sequence the jobs using the following rules: FCFS, SPT, and EDD.  (Assume the list is by order of arrival.)  For each rule, determine the average job flow time, the average tardiness, and the average number of jobs at the work center.

Job

Job time
(hours)

Due Date
(hours from now)
A721
B1012
C38
D920
E1518

Type your response in the text box below.  
You MUST show your work, either in the box below, or as an attachment.  Your choice.

You may copy and past the template below to show your final answers.  Use bold text to indicate the best method for each metric.

 FCFS
(5 points)
SPT
(5 points)
EDD
(5 points)
CR
(6 points)
Job Sequence    
Average job flow time    
Average tardiness    
Average number of jobs at work center    

Which scheduling rule would you recommend and why?  (4 points)

 

B. Peter Pepperoni, owner of the Perfect Pasta Pizza Parlor, uses 25 pounds of pepperoni each day in preparing pizzas. Order costs for pepperoni are $10.00 per order, and carrying costs are 5 cents per pound per day. Lead time for each order is 3 days.  Currently, he orders 80 pounds of pepperoni at a time.

a. At what point (inventory level) should he reorder pepperoni?  (5 points)

b. What would be the length of an order cycle (in days)?  (5 points)

c. What is the average inventory level?  (5 points)

d. What is the total daily cost of inventory?  (5 points)

e. What is the economic order quantity for pepperoni?  (5 points)

f. If he changes to the economic order quantity, what would be the new daily inventory costs?  (5 points)

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c. A manager must assign four engineers to projects, one to a project.

 ABCD
Engineer 117111918
Engineer 21617119
Engineer 324271613
Engineer 427172324

a. Given the cost figures below for each project-engineer combination, determine assignments such that total cost will be minimized.  (10 points)

b. The leader of Project C has indicated that he does not want engineer 2 or 3 on his project. Rework the assignment problem, keeping in mind that two combinations are undesirable, such that total cost will be minimized.  (15 points)

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You MUST show your work, either in the box below, or as an attachment.  Your choice.

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Engr 1: xx
Engr 2: xx
Engr 3: xx
Engr 4: xx
Cost: xx

 

 

d.

Given the following data for a make or buy decision:

AlternativeFixed CostVariable Cost
Buy$0 per year$8 per unit
Make$100,000 per year$4 per unit

a. What is the total cost to buy a quantity of 15,000 units per year?  (2.5 points)

b. What is the total cost to make a quantity of 15,000 units per year?  (2.5 points)

c. For what quantity would you be indifferent between buying or making?  (2.5 points)

d. Which alternative would you select for a quantity of 24,000 units per year?  (2.5 points)

e. What alternative is preferred for 32,000 units per year, and what is the cost?  (5 points)

f. What would be your cost savings for the preferred alternative, for 32,000 units per year, compared to the other alternative?  (5 points)

Type your response in the text box below.  
Please use bold text to make your final answer for each part stand out more clearly.
You MUST show your work, either in the box below, or as an attachment.  Your choice.

 

 

 

 

 

 

 

 

 

This  is the answer done by myself, please don't buy the answer, the answer is wrong. - -

 

 FCFS
(5 points)
SPT
(5 points)
EDD
(5 points)
CR
(6 points)
Job Sequence A-B-C-D-E C-A-D-B-E C-B-E-D-A E-D-C-A-B
Average job flow time 23.40 21.00 25.00  28.8
Average tardiness  10.4    8.60    10.20   13.6
Average number of jobs at work center 2.65   2.39    2.84   3.44

 

 

 

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