8. The demand for subassembly S is 150 units in week 7. Each unit of S requires 1 unit of T and 1 unit of U. Each unit of T requires 2 units of V, 2 units of W, and 2 units of X. Finally, each unit of U requires 1 unit of Y and 2 units of Z. One firmmanufactures all items. It takes 2 weeks to make S, 2 weeks to make T, 2 weeks to make U, 1 week to make V, 2 weeks to make W, 1 week to make X, 2 weeks to make Y, and 2 weeks to make Z.1Click the icon to view the product structure and the time-phased product structure.In addition to 150 units of S, there is also a demand for 30 units of U, which is a component of S. The 30 units of U are needed for maintenance purposes. These units are needed in week 6. Modify the gross material requirements plan to reflectthis change (type 0 if the input box is not used).1: More InfoLevel01ItemSTUVWXYZGross reqOrder releaseGross reqOrder releaseGross reqOrder releaseGross reqOrder releaseGross reqOrder releaseGross reqOrder releaseGross reqOrder releaseGross reqOrder releaseThe product structure.T(1)SU (1)2 V(2) W(2) X(2) Y(1) Z(2)23Week45671 2VNXZWLead Time(weeks)YTUThe time-phased product structure.3 4Time in weeks-LO252212122-SC6S7+

The gross requirement is the scheduling method, a plan to schedule the material and components…

Answered: The demand for subassembly S is 150…

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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Product M is made of 2 units of N and 3 unit of P. N is made of 2 units of R and 4 units of S. R is made of 1 unit of S and 3 units of T. P is made of 2 units of T and 4 units of U. a) Show the BOM (product structure tree). b) If 100 M are required, how many units of each component are needed?
Each A (finished product) requires 1 of component B and 2 of component C. Each B requires 2 of part D and 1 of part E and each C requires 1 of part D and 1 of part F.If the demand for product A is 50 units., and there are 15 units of B on hand and 50 units of C, how many units of Part D will be needed?
4. 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.
4. 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.
4. One unit of A is made of two units of B and one unit of C. B is made of three units of D and 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 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 C, E, and F; lots of size 22, 50, and 200 are used for Items A, B, and D, respectively. Items A, B, D, and E have on-hand (beginning) inventories of 10, 15, 122, and 100, respectively; all other items have zero beginning inventories. We are scheduled to receive 10 units of A in Week 3, 40 units of B in Week 7, 50 units of F in Week 5, and 100 units of E in Week 2; there are no other scheduled receipts. If 22 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…
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. Cis made of two units of Fand one unit of D. E is made of two units of D. Items A. C. D. snd F have one-week lesd 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 50 and 220 are used for Items E and F. respectively. Item C has an on-hand (beginning) inventory of 20; 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 25 units of A sre required in Week 8, use the low-level-coded bill-of-materials to find the necessory planned-order relesses for all components. (Leave the cells blank, whenever zero (0) is required.) Perlod: 2 4 5 7 Grass requirements Scheduled receipts Item: A OH: 0 LT: 1 SS: 0 Q: L4L Prajected available balance Net requirements Planned arder…
One 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.
Operations Manager of PT Radio Gaga is calculating production costsa telecommunication radio taking into account the following needs:i. Week 1 : 20 unitsii. Week 2 : 36 unitsiii. Week 3 : 46 unitsiv. Week 4 : 45 unitsv. Week 5 : 20 unitsvi. Week 6 : 26 unitsIt is known that there is inventory from the previous week as many as 20 units. Assuming 52week per year, lead time booking for 1 week, setup cost of $40 andholding cost of $0.75 per week, you are required to assist the Operations Manager of PTRadio Gaga to calculate the estimated production cost as follows: a. Calculate EoQ b. Create a 6-week MRP Lot Sizing Table with EoQ method c. Calculate Total Production Cost using EoQ method d. Create a 6-week MRP Lot Sizing Table using the Lot methodfor Lot e. Calculate Total Production cost by using Lot for Lot methodF. Which method will PT Radio Gaga's Operations Manager take?
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.
The table given below shows a partially completed MPS record for product A. What is the remaining ATP inventory (discrete) for week 7 after the company receives a 20 units of customer order for week 6? Order policy: 60 units Lead time: 1 week Item: A Quantity on hand: 30 Week 3 30 7. 34 11 4. Forecast requirements Customer orders (booked) Projected on-hand inventory MPS quantity MPS start ATP inventory 22 24 18 27 36 28 26 12 24 O a 59 Ob. 29 OcO Od. 49 Oe. 39
It is Friday afternoon and the following production information is available for the following week: EOQ Lead time b) c) d) 100 units 2 days Gross requirements Scheduled receipts Projected on hand Net requirements Planned order receipts Planned order releases 0 Monday Tuesday Wednesday Thursday Friday 40 70 80 50 40 100 Complete the MRP matrix for the following week with this information. At the production meeting on Monday morning the following information is shared: a) The planned order for 100 units on Monday is released. Thirty of the scheduled receipts for Monday are scrapped. An order for 20 units is received for delivery on Wednesday. An order for 40 units is received for delivery on Monday of the following week. EOQ Lead time 50 100 units 2 days Use this information to update the MRP matrix for the week.
Brown and Brown Electronics manufactures a line of digital audiotape (DAT) players. The bill of materials, showing the number of each item required is shown below follows: F(2) C(1) I(2) F(2) H(1) I(2) Data for A: Gross requirement is 100 units on 9th week, Lead time is 2 weeks, Lot for lot A G(2) D(2) Data for C: Lead time is 1 weeks, Lot for lot Data for D: Lead time is 2 weeks, schedule receipt is 30 on 1st week, lot size 170 units Data for F: Lead time is 1 weeks, scheduled receipt is 60 on 1st week, on hand inventory is 15, lot for lot Data for G: Lead time is 1 weeks, scheduled receipt is 100 on 1st week, on hand inventory is 50, lot for lot Data for H: Lead time is 1 weeks, scheduled receipt is 50 on 1st week, lot size is 200 Data for I: Lead time is 1 weeks, scheduled receipt is 60 on 1st week, on hand inventory is 15, lot for lot Prepare an MRP schedule to satisfy the demand.

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