Operations Management
11th Edition
ISBN: 9780132921145
Author: Jay Heizer
Publisher: PEARSON
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Textbook Question
Chapter 14, Problem 6DQ
What impact does ignoring carrying cost in the allocation of stock in a DRP system have on lot sizes?
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What effect does disregarding carrying costs have on lot sizes in a DRP system ?
What does MRP stand for?
Refer to Figure 11.23 and Solved Problem 1. If inventory consists of two units of B, one unit of F. and three units of G, how many
units of G. E. and D must be purchased to produce five units of product A?
Figure 11.23 for Product A
D(1)
LT-3
B(3)
LT-2
EG
LT-6
FIT)
CO)
LT-1
GALA
LT=3
D(1)
LT-3
LT-Lead time
Chapter 14 Solutions
Operations Management
Ch. 14 - What is the difference between a gross...Ch. 14 - Prob. 2DQCh. 14 - What are the similarities between MRP and DRP?Ch. 14 - How does MRP II differ from MRP?Ch. 14 - Which is the best lot-sizing policy for...Ch. 14 - What impact does ignoring carrying cost in the...Ch. 14 - MRP is more than an inventory system; what...Ch. 14 - What are the options for the production planner...Ch. 14 - Master schedules are expressed in three different...Ch. 14 - What functions of the firm affect an MRP system?...
Ch. 14 - Prob. 11DQCh. 14 - Identify five specific requirements of an...Ch. 14 - What are the typical benefits of ERP?Ch. 14 - What are the distinctions between MRP, DRP, and...Ch. 14 - As an approach to inventory management, how does...Ch. 14 - What are the disadvantages of ERP?Ch. 14 - Use the Web or other sources to: a. Find stories...Ch. 14 - Prob. 18DQCh. 14 - Use the Web or other sources to identify what an...Ch. 14 - You have developed the following simple product...Ch. 14 - You are expected to have the gift bags in Problem...Ch. 14 - The demand for subassembly S is 100 units in week...Ch. 14 - Using the information in Problem 14.3, construct a...Ch. 14 - Using the information in Problem 14.3, construct a...Ch. 14 - Refer again to Problems 14.3 and 14.4. In addition...Ch. 14 - Refer again to Problems 14.3 and 14.5. In addition...Ch. 14 - As the production planner for Scott Sampson...Ch. 14 - Prob. 9PCh. 14 - a. Given the product structure and master...Ch. 14 - Prob. 11PCh. 14 - Based on the data in Figure 14.13, complete a net...Ch. 14 - Prob. 13PCh. 14 - A part structure, lead time (weeks), and on-hand...Ch. 14 - You are product planner for product A (in Problem...Ch. 14 - Prob. 16PCh. 14 - Data Table for Problems 14.17 through 14.20 14.17...Ch. 14 - Develop an EOQ solution and calculate total...Ch. 14 - Develop a POQ solution and calculate total...Ch. 14 - Using your answers for the lot sizes computed in...Ch. 14 - Prob. 21PCh. 14 - Grace Greenberg, production planner for Science...Ch. 14 - Karl Knapps, Inc., has received the following...Ch. 14 - Coleman Rich, Ltd., has received the following...Ch. 14 - Prob. 25PCh. 14 - Prob. 26PCh. 14 - Using the data for the coffee table in Problem...Ch. 14 - When 18,500 Orlando Magic Fans Come to Dinner...Ch. 14 - When 18,500 Orlando Magic Fans Come to Dinner...Ch. 14 - When 18,500 Orlando Magic Fans Come to Dinner...Ch. 14 - MRP at Wheeled Coach Video Case Wheeled Coach, the...Ch. 14 - MRP at Wheeled Coach Video Case Wheeled Coach, the...Ch. 14 - MRP at Wheeled Coach Video Case Wheeled Coach, the...
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- Should safety stock be necessary for an MRP system with dependent demand? If so, why? If not, why do firms carry it anyway?arrow_forwardDiscuss in detail the benefits and drawbacks for just in time (jit) inventory ??arrow_forwardExplain how is ordering in small lot sizes essential for just in time implementation and what benefi are epected to be achieved ?arrow_forward
- What impact does ignoring carrying cost in the allocationof stock in a DRP system have on lot sizes?arrow_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 8. Assume lot-for- lot ordering. Below is information about the steppers and the quantity required for each parent. Item Lead Time On Hand Inventory Components Stepper 2 20 A(1), B(3), C(2) A 1 10 D(1), F(2) B 2 30 E(1), F(3) C 3 10 D(2), E(3) D 1 15 E 2 5 F 2 20 Develop a product structure diagram for Develop a net material requirements plan forarrow_forwardWhy is accurate inventory such an important issue at Wheeled Coach?arrow_forward
- Coleman Rich, Ltd., has received the followingorders: The entire fabrication for these units is scheduled on onemachine. There are 2,250 usable minutes in a week, and eachunit will take 65 minutes to complete. Develop a capacityplan, using lot splitting, for the 10-week time periodarrow_forwardContrast the significance of the term lead time in the traditional EOQ context and in an MRP system.arrow_forward1-Shielding gas for a welding operation would most likely be considered what type of material? Group of answer choices Direct Material Indirect material No answer text provided. 2-Material already in inventory may only have one costs according to generally acceptec accounting principles. Group of answer choices true false 3-Number of parts needed; 9 Volume of rough casting including sprues, gates, etc. per part is 5000 in^3 or 1450 lbs. Volume of finished part 3500 in^3 or 1015 lbs. You must buy material in 2000 lb increments. The material is $1.15 per b The material is 0.29 lb/in^3 (3.4483 in^3/lb) What is the material shape efficiency? Group of answer choices 35% 44% 65% 73% X Ilarrow_forward
- Completely fill in the MRP matrices for items J, K, and L. Do not complete the matrix for M and be careful to watch lot size restrictions. Item J LLC 0 Lot Size L4L LT 3 1 2 3 4 5 6 7 8 9 Gross Requirements Scheduled Receipts Projected on Hand 100 Net Requirements Planned Order Receipts Planned Order Releases Item K LLC _ Lot Size Mult 200 LT 2 1 2 3 4 5 6 7 8 9 Gross Requirements Scheduled Receipts Projected on Hand 110 Net Requirements Planned…arrow_forwardDevelop a lot-for-lot solution and calculate total relevant costs for the gross requirements in the following table*. Period Gross requirements Develop a lot-for-lot solution (enter your responses as whole numbers). Period Gross requirements On-hand at beginning of period On-hand at end of period 1 Order receipt Order release 30 2 3 30 1 30 40 || 4 5 2 6 7 40 70 20 *Holding cost = $3.50/unit/week; setup cost = $150; lead time = 1 week; beginning inventory = 40. 3 4 30 8 9 10 11 12 5 6 7 40 70 20 20 80 8 60 9 10 20 80 11 12 60arrow_forwardExplain MRP and JIT?arrow_forward
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