As discussed in class, an ERP system can be considered as an A. engineering and remanufacturing planning system to address climate change concerns B. extended material requirement planning (MRP II) system for production planning C. environmental and sustainable resources planning system widely used in industry D. enhanced research program for project management E. engineering and restructuring planning for process and quality improvement F. enterprise resource planning for production, information, and workforce planning

As discussed in class, an ERP system can be considered as an A. engineering and remanufacturing planning system to address climate change concerns B. extended material requirement planning (MRP II) system for production planning C. environmental and sustainable resources planning system widely used in industry D. enhanced research program for project management E. engineering and restructuring planning for process and quality improvement F. enterprise resource planning for production, information, and workforce planning

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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1. Which of the following statements about lot-sizing rules for MRP is true? a) The periodic order quantity (POQ) rule generates a higher level of average inventory since it creates inventory remnants. b) FOQ is a dynamic lot-sizing rule which reduces the amount of inventory, by doing a better job of matching the order quantity to the projected on-hand inventory quantity. c) The lot for lot rule minimizes inventory investment but maximizes the number of orders placed. d) In general, static lot-sizing rules introduce greater instability into the production process 2. Which one of the following is a reason to have small inventories? a) To improve customer service b) To reduce ordering costs c) To reduce equipment setup costs d) To reduce interest expense or opportunity costs 3. Which one of the following is the most likely example of dependent demand for an MRP controlled item? a) Demand for spare parts b) Demand directly from customers c) Demand from quality control department for…
It is Monday morning, and you have just arrived at work. Complete the followingMRP record as it would appear Monday morning. Lead time is 2 weeks, and the lotsize is 100. During the week, the following events occur. Enter them in the MRP record.a. The planned order for 100 in week 1 is released.b. Thirty of the scheduled receipts for week 1 are scrapped.c. An order for 30 is received for delivery in week 3.d. An order for 50 is received for delivery in week 6.e. The gross requirements of 70 in week 1 are issued.
Consider the product structure diagram given. Assume that the MPS for the end item for weeks 10 through 17 isWeek 10 11 12 13 14 15 16 17Net requirements 100 100 40 40 100 200 200 200Assume that lot-for-lot scheduling is used throughout. Also assume that there is no entering inventory in period 10 and no scheduled receipts. For the example given above, assume that the setup cost for both components A and B is $100 and that the holding costs are respectively $0.15 and $0.25 per component per week. Using the Silver–Meal algorithm, determine the planned order releases for both components A and B and the resulting gross requirements schedules for components C, D, and E.
Assume that you are the manager of Assembly, Inc. You have just received an order for 40 units ofan industrial robot, which is to be delivered at the start of week 7 of your schedule. Using the following information, determine how many units of subassembly G to order and the timing of thoseorders, given that subassembly G must be ordered in multiples of 80 units and all other componentsare ordered lot-for-lot. Assume that the components are used only for this particular robot.Item Lead Time (weeks) On Hand ComponentsRobot 2 10 B, G, C(3)B 1 5 E, FC 1 20 G(2), HE 2 4 —F 3 8 —G 2 15 —H 1 10 —
Heather 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 for
Anticipated demands for a four-period planning horizon are 23, 86, 40, and 12.The setup cost is $300 and the holding cost is h = $3 per unit per period.a. Enumerate all the exact requirements policies, compute the holding and setupcosts for each, and find the optimal production plan.b. Solve the problem by backward dynamic programming
For Question 1 you are required to mannualy (without the use of excel) develop two MRP matrices: one with no lot sizing (you order what is required) and a lot seize equal to the EOQ. To determine the EOQ note that the inventory carrying cost is given as R1/unit/period. This means that you have to calculate the average demand per period and use this demand value in your EOQ calculation. This is then the order quantity to be used for the second MRP matrix.
The inventory control models are often labeled independent demand models and MRP is often labeled a dependent demand system. What do the terms independent and dependent mean in this context?
Irvine Consolidated Closets (ICC) builds and sells shelving for homes and offices. For a certain shelving unit, SS1, ICC has gross requirements of 500, 800, and 650 units in weeks 4, 5, and 6, respectively. The lead-time on the SS1 shelving unit is two weeks. ICC currently has 600 of the SS1 on hand and this product is ordered in lot sizes of 300, that is, the order in multiples of 300. Determine the MRP schedule for the SS1 unit over a time frame of weeks 1 through 6. When and for how many units should ICC place their orders for the SS1? A key component of the SS1 is the TT2. Each SS1 contains four TT2s. Currently TT2’s are ordered in lots of size 1000 and there are 800 on hand. TT2s have a one-week lead time. Determine the MRP schedule for the TT2 unit over a time frame of weeks 1 through 6. When and for how many units should ICC place their orders for the TT2? Suppose annual demand for the SS1 shelving unit is 32,500. ICC’s holding cost is $0.50 per week for each SS1…
A firm has the following gross requirements for Item F. If ordering costs are $60 per order and carrying costs are $0.50 per period. If Mult. 60 lot sizing is used, the planned order releases is Group of answer choices 60 in period 2 and 80 in period 3 120 in period 2 and 60 in period 3 80 in period 1 and 0 in period 3 0 in period 1 and 40 in period 3
One unit of A is composed of two units of B and three units of C. Each B is composed of one unit of F. C is made of one unit of D, one unit of E, and two units of F. Items A, B, C, and D have 20, 50, 60, and 25 units of on-hand inventory, respectively. Items A, B, and C use lot-for-lot (L4L) as their lot-sizing technique, while D, E, and F require multiples of 50, 100, and 100, respectively, to be purchased. B has scheduled receipts of 30 units inperiod 1. No other scheduled receipts exist. Lead times are one period for items A, B, and D, and two periods for items C, E, and F. Gross requirements for A are 20 units in period 1, 20 units in period 2, 60 units in period 6, and 50 units in period 8. Find the planned order releases for all items.
Oh No!, Inc., sells three models of radar detector units. It buys the three basic models (E, F, and G)from a Japanese manufacturer and adds one, two, or four lights (component DLead times are one week for all items except C, which is two weeks. There are ample suppliesof the basic units (E, F, and G) on hand. There are also 10 units of B, 10 units of C, and 25 units ofD on hand. Lot-sizing rules are lot-for-lot ordering for all items except D, which must be ordered inmultiples of 100 units. There is a scheduled receipt of 100 units of D in week 1.The master schedule calls for 40 units of A in week 4, 60 units of B in week 5, and 30 units of Cin week 6. Prepare a material requirements plan for D and its parents) to further differentiate the models. D is bought from a domestic producer.