Production and Operations Analysis, Seventh Edition
7th Edition
ISBN: 9781478623069
Author: Steven Nahmias, Tava Lennon Olsen
Publisher: Waveland Press, Inc.
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Chapter 3.4, Problem 20P
Summary Introduction
To think critically about: Whether there is no need to anyalze the demand of the coming months if a rolling production
Introduction: A rolling production schedule suggests that the schedule may be reviewed at the beginning of a new planning period.
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Discuss the following statement: “Since we use a rolling production schedule, Ireally don’t need to know the demand beyond next month.”
Assume you are the manager of a shop that assembles power tools. You have just received an order for 55
chain saws, which are to be shipped at the start of week 8. Pertinent information on the saws follows:
Item Lead Time (weeks) On Hand
Saw
A
B
C
D
E
F
2
1
2
2
1
1
2
Gross requirements
Scheduled receipts
Projected on hand
Net requirements
Planned order receipt
Planned order release
Ĉ
E(3) & E(2) LT = 1 week
Lot size: Lot-for-Lot
15
10
5
65
20
10
30
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Develop the material requirements plan for component E using lot-for-lot ordering for all items. (Leave no
cells blank - be certain to enter "0" wherever required.)
Components
A(2), B(1), C(4)
E(3), D(1)
D (2), F(3)
E(2), D (2)
Beg. Inv.
1
2
3
190
5
210
6
Quantity of a raw material listed in a purchase order counts as demand when you check the "Stock/Requirement List" for the raw material? True or False? Explain
Chapter 3 Solutions
Production and Operations Analysis, Seventh Edition
Ch. 3.1 - Prob. 1PCh. 3.1 - Prob. 2PCh. 3.1 - Prob. 3PCh. 3.1 - Prob. 4PCh. 3.1 - Prob. 5PCh. 3.1 - Prob. 6PCh. 3.2 - Prob. 7PCh. 3.2 - Prob. 8PCh. 3.2 - Prob. 9PCh. 3.2 - Prob. 10P
Ch. 3.2 - Prob. 11PCh. 3.2 - Prob. 12PCh. 3.3 - Prob. 13PCh. 3.3 - Prob. 14PCh. 3.3 - Prob. 15PCh. 3.3 - Prob. 16PCh. 3.4 - Prob. 17PCh. 3.4 - Prob. 18PCh. 3.4 - Prob. 19PCh. 3.4 - Prob. 20PCh. 3.4 - Prob. 21PCh. 3.4 - Prob. 22PCh. 3.4 - Prob. 23PCh. 3.5 - Prob. 26PCh. 3.5 - Prob. 27PCh. 3.6 - Prob. 29PCh. 3.6 - Prob. 30PCh. 3 - Prob. 31APCh. 3 - Prob. 32APCh. 3 - Prob. 33APCh. 3 - Prob. 34APCh. 3 - Prob. 35APCh. 3 - Prob. 36AP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
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- Describe the inventory processes perpetually and periodically. Is one system better than the other in circumstances?arrow_forwardThe Average days of inventory is?arrow_forwardI understand that as per the calculations, the gross requirement for week 3 is 50 (25*2) (Item A's order releases), week 5 is 190 (20*2) + (150*1) (Item A's order releases + Item B's order releases), and week 6 is 300 (150*2) (Item A's order releases). But I want to know why do we do it that way because If I have a similar question do I always multiply item A's order release for week 3 by 2, week 5 (Item A's order releases x 2 + Item B's order releases x 1), and and week 6 (Item A's order releases x 2 ) I want to understand why we do that so I can anwser a similar question I don't understand why we do that have way just that you did it that wayarrow_forward
- This question is based on the following information pertaining to material Pogi: Usage 50 – 100 lbs. per day Lead time 8 – 12 days Size of the order 600 lbs. No. of days in a year 340 What is the average stock level? A. 1,250 B. 1,200 C. 1,000 D. 9252. What is the maximum stock level? 2,500 2,000 1,400 1,2003. What is the minimum stock level? 450 800 850 1,000 4. What is the re-order level? 1,200 1,600 1,750 1,800arrow_forward2. Demand for Quiggly Pops (QP) follows an up and down pattern over the four quarters of a year, with peaks in the spring and winter months when special promotions are held. Production is handled by a highly-skilled local workforce during a regular 40-hour week (i.e., overtime and subcontracting are not used). The company likes to zero out its inventory at the end of a year so that it can start fresh each January. QP currently uses a level production strategy, but would like to evaluate other options. Create a production plan and calculate the cost of the plan for each strategy listed below. Which plan would you recommend to QP? (a) Level production (b) Chase demand Quarter Demand Forecast 1 70,000 2 100,000 3 50,000 4 150,000 Beginning workforce 40 workers Production rate per worker 1250 units/quarter Regular production cost $10 per unit Hiring cost $500 per worker Firing cost $500 per worker Holding cost $1 per unit per quarterarrow_forwardThe Shades Sunglass Company assembles sunglasses from frames, which it makes,and lenses, which it purchases from an outside supplier. The sales department hasprepared the following 6-week forecast for Ebony, a popular model. The sunglassesare assembled in lots of 220, and the opening inventory is 300 pairs. Complete theprojected available balance and the master production schedule.arrow_forward
- Complete the MPS record below for a single item. (Enter your responses as integers. A response of "0" is equivalent to being not applicable.) Item: A Order Policy: 100 units Lead Time: 1 week January February Quantity on Hand: 80 Week 1 2 3 4 5 6 7 8 Forecast 65 70 65 45 50 45 45 55 Customer orders (booked) 40 10 90 0 35 75 0 0 Projected on-hand inventory nothing nothing nothing nothing nothing nothing nothing nothing MPS quantity nothing nothing nothing nothing nothing nothing nothing nothing MPS start nothing nothing nothing nothing nothing nothing nothing nothingarrow_forwardHeather Adams, production manager for a Colorado exercise equipment manufacturer, needs to schedule an order for 50 UltimaSteppers, which are to be shipped in week 10. Subscripts indicate quantity required for each parent. Assume lot-for-lot ordering. Item Lead Time On-Hand Inventory Components Stepper 2 10 A(2), B(2), C(1) A 1 10 D(1), F(2) B 2 20 E(1), F(3) C 3 10 D(2), E(3) D 2 15 E 2 5 F 2 20 c) Develop a net material requirements plan for F (enter your responses as whole numbers). Week Lead Time Item 3 4 5 6 7 8 9 10 (weeks) F Gross req enter your response here enter your response here 2 On hand enter your response here enter your response here Net req enter your response here enter your response here Order…arrow_forwardDescribe the link between inventory levels and production schedule?arrow_forward
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