What is the available-to-promise amount for week 3 of the final master schedule bases on the figures shown in the table below? Master Schedule: Make-to-Stock Chase Production Beginning Inventory = 60 Units; Lot Size = 100 Units Week 0 1 2 3 4 5 6 Forecast 60 70 50 80 60 40 Customer orders 58 65 46 63 30 0 OHI 60 0 30 80 0 40 0 MPS 100 100 100 ATP 2 35 X 70

What is the available-to-promise amount for week 3 of the final master schedule bases on the figures shown in the table below? Master Schedule: Make-to-Stock Chase Production Beginning Inventory = 60 Units; Lot Size = 100 Units Week 0 1 2 3 4 5 6 Forecast 60 70 50 80 60 40 Customer orders 58 65 46 63 30 0 OHI 60 0 30 80 0 40 0 MPS 100 100 100 ATP 2 35 X 70

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter4: Linear Programming Models

Section: Chapter Questions

Problem 111P

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Prepare a master schedule given this information: It is now the end of week 1; customer orders are 25 for week 2, 16 for week 3, 11 for week 4, 8 for week 5, and 3 for week 6. Use the MPS rule of ordering production when projected on-hand inventory would be negative without production. Suppose that there were 64 pumps in inventory at the beginning of week 1. A production lot size of 70 pumps is used. (Leave no cells blank - be certain to enter "0" wherever required.)
Montague Composite makes a unit A, which consists of two units of B, three units of C, and four units of D. C is composed of three units of D and two units of E. Items A, C, D and E have on-hand inventories of 10, 20, 30 and 40 units respectively. Item B has a scheduled receipt of 50 units in period 1, and C has a scheduled receipt of 90 units in period 1. Lot-for-lot sizing is used for items A and B. Item C requires a minimum lot size of 60 units. D and E must be purchased in multiples of 35 and 55 respectively. Lead times are one period for items A, B and C, and two periods for items D and E. The gross requirements for A are 180 in period 5, and 220 in period 8. Determine the planned-order releases for all items using template 2 (provided at the end of the paper)
One unit of A is made of three units of B, one unit of C, and two units of D. B is composedof two units of E and one unit of D. C is made of one unit of B and two units of E. E ismade of one unit of F.Items B, C, E, and F have one-week lead times; A and D have lead times oftwo weeks.Assume that lot-for-lot (L4L) lot sizing is used for Items A, B, and F; lots of size50, 50, and 200 are used for Items C, D, and E, respectively. Items C, E, and F have onhand(beginning) inventories of 10, 50, and 150, respectively; all other items have zerobeginning inventory. We are scheduled to receive 10 units of A in Week 2, 50 units of Ein Week 1, and also 50 units of F in Week 1. There are no other scheduled receipts. If30 units of A are required in Week 8, use the low-level-coded bill-of-materials to i nd thenecessary planned order releases for all components.
Assume that you are the manager of Assembly, Inc. You have just received an order for 26 units of an 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 those orders, given that subassembly G must be ordered in multiples of 80 units and all other components are ordered lot-for-lot. Assume that the components are used only for this particular robot. Item Lead Time (weeks) On Hand Components Robot 2 10 B, G, C(3) B 1 5 E, F C 1 20 G(2), H E 2 4 — F 3 8 — G 2 15 — H 1 10 — Subassembly G order quantity (in units) Subassembly G should start at beginning of Week
Assume that you are the manager of Assembly, Inc. You have just received an order for 25 units of an 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 those orders, given that subassembly G must be ordered in multiples of 80 units and all other components are ordered lot-for-lot. Assume that the components are used only for this particular robot. Item Lead Time (weeks) On Hand Components Robot 2 10 B, G, C(3) B 1 5 E, F C 1 20 G(2), H E 2 4 — F 3 8 — G 2 15 — H 1 10 — Subassembly G order quantity (in units) Subassembly G should start at beginning of Week (Click to select) 1 2 3 4
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
Prepare a disaggregation schedule for the following situation. The forecast for each period is 700 units. The starting inventory is zero. The MPS rule is to schedule production of the projected inventory on hand is negative. The production lot size is 1000 units. The following table shows committed orders. Frozen Period is the first period. Period 1 2 3 4 5 Committed Order 800 500 300 100 500
Each unit of A is composed of one unit of B, two units of C, and one unit of D. C is composed of two units of D and three units of E. Items A, C, D, and E have on-hand inventories of 20, 10, 20, and 15 units, respectively. Item B has a scheduled receipt of 10 units in Period 1, and C has a scheduled receipt of 50 units in Period 1. Lot-for-lot (L4L) is used for Items A and B. Item C requires a minimum lot size of 50 units. D and E are required to be purchased in multiples of 95 and 55, respectively. Lead times are one period for Items A, B, and C, and two periods for Items D and E. The gross requirements for A are 30 in Period 2, 30 in Period 5, and 40 in Period 8.
Tuff-Rider, Inc., manufactures touring bikes and mountain bikes in a variety of frame sizes, colors, and component combinations. Identical bicycles are produced in lots of 100. The projected demand, lot size, and time standards are shown in the following table: Item Touring Mountain Demand forecast Lot size Standard processing time Standard setup time 5,000 units/year 100 units .25 hour/unit 2 hours/lot 10,000 units/year 100 units .50 hour/unit 3 hours/lot The shop currently works 8 hours a day, 5 days a week, 50 weeks a year. It operates five workstations, each producing one bicycle in the time shown in the table. The shop maintains a 15 percent capacity cushion. How many workstations will be required next year to meet expected demand without using overtime and without decreasing the firm’s current capacity cushion?
Assume you are the manager of Assembly, Inc. You have just received an order for 27 units of an 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 those orders, given that subassembly G must be ordered in multiples of 80 units and all other components are ordered lot-for-lot. Assume that the components are used only for this particular robot.
Each unit of A is composed of one unit of B, two units of C, and one unit of D. C is composed of two units of D and three units of E. Items A, C, D, and E have on-hand inventories of 20, 10, 20, and 10 units, respectively. Item B has a scheduled receipt of 10 units in Period 1, and C has a scheduled receipt of 50 units in Period 1. Lot-for-lot (L4L) lot sizing is used for Items A and B. Item C requires a minimum lot size of 50 units. D and E are required to be purchased in multiples of 100 and 50, respectively. Lead times are one period for Items A, B, and C, and two periods for Items D and E. The gross requirements for A are 30 in Period 2, 30 in Period 5, and 40 in Period 8. Find the planned-order releases for all items
Tuff-Rider, Inc., manufactures touring bikes and mountain bikes in a variety of frame sizes, colors, and component combinations. Identical bicycles are produced in lots of 110. The projected demand, lot size, and time standards are shown in the following table: Item Touring Mountain Demand forecast 4,000 units/year 12,000 units/year Lot size 100 units 110 units Standard processing time 0.25 hour/unit 0.50 hour/unit Standard setup time 2 hours/lot 3 hours/lot The shop currently works 8 hours a day, 5 days a week, 52 weeks a year. It operates five workstations, each producing one bicycle in the time shown in the table. The shop maintains a 15 percent capacity cushion. How many workstations will be required next year to meet expected demand without using overtime and without decreasing the firm's current capacity cushion? The number of workstations required next year is ?(Enter your response rounded up to the next whole number.)