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Eighty units of end item X are needed at the beginning of week 6, and another 30 units are needed at the beginning of week 8. Prepare a material requirements plan for component D. D can only be ordered in whole cases (50 units per case). One case of D is automatically received every other week, beginning in week 1 (i.e., weeks 1, 3, 5, 7). Lot-for-lot ordering will be used for all items except D. Also, there are 30 units of B and 20 units of D now on hand. Lead times for all items are a function of quantity: one week for up to 100 units, two weeks for 101 to 200 units, three weeks for 201 to 300 units, and four weeks for 301 or more units.
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Chapter 13 Solutions
Operations Management
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- One unit of A is made of three units of B, one unit of C, and two units of D. B is composed of two units of E and one unit of D. C is made of one unit of B and two units of E. E is made of one unit of F. Items B, C, E, and F have one-week lead times; A and D have lead times of two weeks. Assume that lot-for-lot (L4L) lot sizing is used for Items A, B, and F; lots of size 55, 55, and 200 are used for Items C, D, and E, respectively. Items C, E, and F have on-hand (beginning) inventories of 10, 50, and 160, respectively; all other items have zero beginning inventory. We are scheduled to receive 10 units of A in Week 2, 60 units of E in Week 1, and also 50 units of F in Week 1. There are no other scheduled receipts. If 32 units of A are required in Week 8, use the low-level-coded bill of materials to find the necessary planned order releases for all componentsarrow_forward4. One unit of A is made of two units of B, three units of C, and two units of D. B is composed of one unit of E and two units of F. C is made of two units of F and one unit of D. E is made of two units of D. Items A, C, D, and F have one-week lead times; B and E have lead times of two weeks. Lot-for-lot (L4L) lot sizing is used for Items A, B, C, and D; lots of size 60 and 200 are used for Items E and F, respectively. Item C has an on-hand (beginning) inventory of 10; D has an on-hand inventory of 50; all other items have zero beginning inventories. We are scheduled to receive 20 units of Item E in Week 2; there are no other scheduled receipts. If 20 units of A are required in Week 8: C. Draw the low-level-code bill-of-materials here.arrow_forwardOne unit of A is made of three units of B, one unit of C, and two units of D. B is composed of two units of E and one unit of D. C is made of one unit of B and two units of E. E is made of one unit of F. Items B, C, E, and F have one-week lead times; A and D have lead times of two weeks. Assume that lot-for-lot (L4L) lot sizing is used for Items A, B, and F; lots of size 50, 50, and 175 are used for Items C, D, and E, respectively. Items C, E, and F have on-hand (beginning) inventories of 10, 50, and 160, respectively; all other items have zero beginning inventory. We are scheduled to receive 10 units of A in Week 2, 50 units of E in Week 1, and also 40 units of F in Week 1. There are no other scheduled receipts. If 30 units of A are required in Week 8: a. Develop an MRP table in excel.arrow_forward
- One unit of A is made of three units of B, one unit of C, and two units of D. B is composed of two units of E and one unit of D. C is made of one unit of B and two units of E. E is made of one unit of F. Items B, C, E, and F have one-week lead times; A and D have lead times of two weeks. Assume that lot-for-lot (L4L) lot sizing is used for items A, B, and F; lots of size 50, 50, and 200 are used for Items C, D, and E, respectively. Items C, E, and F have on-hand (beginning) inventories of 10, 50, and 150, respectively; all other items have zero beginning inventory. We are scheduled to receive 10 units of A in week 2, 50 units of E in week 1, and also 50 units of F in week 1. There are no other scheduled receipts. If 30 units ofA are required in week 8, use the low-level-coded bill-of-materials to find the necessaryplanned-order releases for all components.arrow_forwardProduct A is made from components B, C, and E. Item C is a subassembly that requires 2 units of D and 1 unit of E. Item B also is an intermediate item, made from D. All other usage quantities are 2. Choose the correct BOM for product A. O A. O C. C (2) D (2) E (1) D (2) C (2) A E (2) E (1) A B (2) B (2) D (1) E (2) D (2) Q Q B. O D. (D (1) D (2) C (2) C (2) E (2) E (1) A (E (2) A E (2) B (2)) D (2) B (2) D (2) Qarrow_forward4. One unit of A is made of two units of B, three units of C, and two units of D. B is composed of one unit of E and two units of F. C is made of two units of F and one unit of D. E is made of two units of D. Items A, C, D, and F have one-week lead times; B and E have lead times of two weeks. Lot-for-lot (L4L) lot sizing is used for Items A, B, C, and D; lots of size 60 and 200 are used for Items E and F, respectively. Item C has an on-hand (beginning) inventory of 10; D has an on-hand inventory of 50; all other items have zero beginning inventories. We are scheduled to receive 20 units of Item E in Week 2; there are no other scheduled receipts. If 20 units of A are required in Week 8: C. Draw the low-level-code bill-of-materials here. d. Develop an MRP table in excel.arrow_forward
- One unit of A is made of one unit of B and one unit of C. B is made of four units of C and one unit each of E and F. C is made of two units of D and one unit of E. E is made of three units of F. Item C has a lead time of one week; items A, B, E, and F have two-week lead times; and item D has a lead time of three weeks. Lot-for-lot (L4L) lot sizing is used for items A, D, and E; lots of sizes 50, 100, and 50 are used for items B, C, and F, respectively. Items A, C, D, and E have on-hand (beginning) inventories of 20, 50, 100, and 10, respectively; all other items have zero beginning inventory. We are scheduled to receive 10 units of A in week 1, 100 units of C in week 1, and 100 units of D in week 3; there are no other scheduled receipts. If 50 units of A are required in week 10, use the low-level-coded bill-of-materials (product structure tree) to find the necessary planned-order releases for all components.arrow_forwardIn reference to the attached image: What would be the impact of a scheduled receipt of 200 units for item B in week 3 (and allother data remained the same) on your calculated planned order receipts and releases?arrow_forwardOne unit of A is made of one unit of B and one unit of C. B is made of four units of C and one unit each of E and F. C is made of two units of D and one unit of E. E is made of three units of F. Item C has a lead time of one week; Items A, B, E, and F have two-week lead times; and Item D has a lead time of three weeks. Lot-for-lot (L4L) lot sizing is used for Items A, D, and E; lots of size 50, 100, and 50 are used for Items B, C, and F, respectively. Items A, C, D, and E have on-hand (beginning) inventories of 15, 55, 100, and 10, respectively; all other items have zero beginning inventory. We are scheduled to receive 10 units of A in Week 1, 100 units of C in Week 1, and 100 units of D in Week 3; there are no other scheduled receipts.If 50 units of A are required in week 10, use the low-level-coded bill-of-materials (product structure tree) to find the necessary planned-order releases for all components. (Leave the cells blank, whenever zero (0) is required.)arrow_forward
- Develop a material requirements plan for component H. Lead times for the end item and each component except B are one week. The lead time for B is three weeks. Sixty units of A are needed at the startof week 8. There are currently 15 units of B on hand and 130 of E on hand, and 50 units of H are inproduction and will be completed by the start of week 2. Lot-for-lot ordering will be used for all items.arrow_forwardThe MRP gross requirements for Item A are shown here for the next 10 weeks. Lead time for A is three weeks and setup cost is $10. There is a carrying cost of $0.010 per unit per week. Beginning inventory is 100 units. WEEK 4 10 Gross requirements 40 205 40 20 30 60 80 20 60 100 Use the least total cost and the least unit cost lot-sizing methods to determine the quantity to order with the first order released with each method and which periods' requirements will be covered by that order. Quantity Ordered Periods Covered Least total cost Least unt costarrow_forwardOne unit of A is made of two units of B and one unit of C. B is made of three units of Dand one unit of F. C is composed of three units of B, one unit of D, and four units of E.D is made of one unit of E. Item C has a lead time of one week; Items A, B, E, and F havetwo-week lead times; and Item D has a lead time of three weeks. Lot-for-lot (L4L) lot sizingis used for Items C, E, and F; lots of size 20, 40, and 160 are used for Items A, B, andD, respectively. Items A, B, D, and E have on-hand (beginning) inventories of 5, 10, 100,and 100, respectively; all other items have zero beginning inventories. We are scheduledto receive 10 units of A in Week 3, 20 units of B in Week 7, 40 units of F in Week 5, and60 units of E in Week 2; there are no other scheduled receipts. If 20 units of A are requiredin Week 10, use the low-level-coded bill-of-materials (product structure tree) to i nd thenecessary planned order releases for all components.arrow_forward
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