The demand for subassembly S is 130 units in week 7. Each unit of S requires 1 unit of T and 2 units of U. Each unit of T requires 2 units of V, 2 units of W, and 2units of X. Finally, each unit of U requires 1 unit of Y and 3 units of Z. One firm manufactures all items. It takes 2 weeks to make S, 1 week to make T, 2 weeks to makeU, 2 weeks to make V, 3 weeks to make W, 2 weeks to make X, 2 weeks to make Y, and 2 weeks to make Z.✔ Click the icon to view the product structure and the time-phased product structure.In addition to 130 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 unitsare needed in week 6. Modify the gross material requirements plan to reflect this change (type 0 if the input box is not used).Level0ItemSMore Info1Gross reqOrder releaseThe product structure.T(1)S(2)2 V(2) W(2) X(2) Y(1) Z(3)QQ3Week4YZThe time-phased product structure.QV5WXTU6Time in weeksS7Lead Time(weeks)2

Given data is Unit S T U V W X Y Z Demand 130 30 Lead time (weeks) 2 1 2 2 3 2 2…

Answered: The demand for subassembly S is 130…

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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Courtney Kamauf schedules production of a popularRustic Coffee Table at Kamauf Enterprises, Inc. The table requires a top, four legs, 1 8 gallon of stain, 1 16 gallon of glue, 2 short braces betweenthe legs and 2 long braces between the legs, and a brass cap that goeson the bottom of each leg. She has 100 gallons of glue in inventory,but none of the other components. All items except the brass caps, stain, and glue are ordered on a lot-for-lot basis. The caps are pur-chased in quantities of 1,000, stain and glue by the gallon. Lead time is 1 day for each item. Schedule the order releases necessary to pro-duce 640 coffee tables on days 5 and 6, and 128 on days 7 and 8.
The Monroe Logistics Company would like to schedule its drivers to minimize the number of drivers used to cover the requirements over all seven days of the week. The company has 6 cabs but needs all six of them on duty only on Fridays. The estimated requirements are as follows: Day Mon Tue Wed Thu Fri Sat Sun Requirements 6 4 4 4 6 3 3 Prepare a schedule that minimizes the total number of drivers needed and minimizes the amount of slack capacity. In case of ties for assignment, it is preferred to give weekend days off. Identify the slack capacity for each day of the week. In addition, please identify the number of people working less than full-time (i, e., working less than five days a week. This is employee scheduling program. No employee can be off on Friday and please do not change the requirement in the question. Thank you.
The demand for subassembly S is 100 units inweek 7. Each unit of S requires 1 unit of T and 2 units of U.Each unit of T requires 1 unit of V, 2 units of W, and 1 unit ofX. Finally, each unit of U requires 2 units of Y and 3 units ofZ. One firm manufactures all items. It takes 2 weeks to makeS, 1 week to make T, 2 weeks to make U, 2 weeks to make V,3 weeks to make W, 1 week to make X, 2 weeks to make Y,and 1 week to make Z.a) Construct a product structure. Identify all levels, parents,and components.b) Prepare a time-phased product structure.
The demand for subassembly S is 110 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 3 units of Z. One firm manufactures 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, 2 weeks to make X, 2 weeks to make Y, and 2 weeks to make Z. Part 2 In addition to 110 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 reflect this change (type 0 if the input box is not used). Week Lead Time Item 1 2 3 4 5 6 7 (weeks) S Gross req enter your response here enter your response here enter your response here enter your response here enter your response…
Courtney Kamauf schedules production of a popular Rustic Coffee Table at Kamauf Enterprises, Inc. The tablerequires a top, four legs, 18 gallon of stain, 116 gallon of glue, 2 shortbraces between the legs and 2 long braces between the legs, anda brass cap that goes on the bottom of each leg. She has 100 gallons of glue in inventory, but none of the other components. Allitems except the brass caps, stain, and glue are ordered on a lotfor-lot basis. The caps are purchased in quantities of 1,000, stainand glue by the gallon. Lead time is 1 day for each item. Schedulethe order releases necessary to produce 640 coffee tables on days5 and 6, and 128 on days 7 and 8.
A college provides free tutoring services for its students 7 days a week, and the daily requirements for tutors are: Day M T W Th F S Su Requirements 5 4 7 3 6 3 4 Find the minimum number of tutors required if each tutor works 4 days a week and has 3 consecutive days off. Give preference to Saturday and Sunday off in case of a tie. (Hint: Look for group of 3 days with the lowest requirements). Specify the work schedule for each tutor. How much slack does your schedule generate for each day?
Item5 Time Remaining 2 hours 52 minutes 12 seconds 02:52:12 eBookReferences Item 5 Time Remaining 2 hours 52 minutes 12 seconds 02:52:12 The production planner for Fine Coffees, Inc. produces two coffee blends: American (A) and British (B). He can only get 300 pounds of Colombian beans per week and 200 pounds of Dominican beans per week. Each pound of American blend coffee requires 12 ounces of Colombian beans and 4 ounces of Dominican beans, while a pound of British blend coffee uses 8 ounces of each type of bean. Profits for the American blend are $2.00 per pound, and profits for the British blend are $1.00 per pound. The goal of Fine Coffees, Inc. is to maximize profits.What is the constraint for Dominican beans? Multiple Choice 12A + 8B ≤ 4,800. 8A + 4B ≤ 3,200. 8A + 12B ≤ 4,800. 4A + 8B ≤ 3,200. 4A + 8B ≤ 4,800.
Jenny Company produces two types of pants: long pants and short pants. The cost of making apair of short pants and a pair of long pants are RM 75 and RM 95 respectively. In one week, thecompany must produce at least 150 pants of each type. The minimum weekly production is 500pants. The short pants are sold for RM 120 each and the long pants for RM 150 each. Using thegraphical method, find:a. The number of short pants and long pants to be made in a week in order to minimise thetotal production cost.b. The profit made at the minimum weekly production cost.
A manufacturing plant produces a product 'A' that requires one unit of 'B' and ½ unit of 'C'. Each unit of 'B' is comprised of one unit of 'D', two units of 'E', and one unit of 'F'. Each unit of 'C' requires ½ unit of 'G' and three units of 'H'. The manufacturing lead times for the components are as follows: 'A' - two weeks, 'B' - one week, 'C' - two weeks, 'D' - two weeks, 'E' - three weeks, 'F' - one week, 'G' - two weeks, 'H' - one week. There are 20 units in stock for each of these components. 100 units of 'A' are needed for delivery in seven weeks: a) Develop the product structure and indexed bill of materials for the product. b) Create a gross and net requirements plan for the manufacturer of the product.
A linear programming computer package is needed. Greenville Cabinets received a contract to produce cabinets for a major furniture distributor. The contract calls for the production of 3,300 small cabinets and 4,100 large over the next two months, with the following delivery schedule Model Month 1 Month 2 Small 2,100 1,200 Large 1,500 2,600 Greenville estimates that the production time for each small cabinet is 0.7 hours and the production time for each large cabinet is 1 hour. The raw material costs are $10 for each small cabinet and $12 for each large cabinet. Labor costs are $22 per hour using regular production time and $33 using overtime. Greenville has up to 2,400 hours of regular production time available each month and up to 1,000 additional hours of overtime available each month. If production for either cabinet exceeds demand in month 1, the cabinets can be stored at a cost of $5 per cabinet. For each product, determine the number of units that should be…
PT ABC produces disinfectants by mixing 2 chemical solutions for mixing in a machine to become a disinfectant solution (solution 1 and solution 2). Solution 1 is the first process which is carried out at workstation A for 0.5 minutes per solution later continued at workstation B for 0.2 minutes per solution. Then together solution 1 is mixed with solution 2 at workstation C for 0.8 minutes per solution. Workstations B and C are processed at workstation D for mixing together where the process is 5 minutes per solution until it becomes a disinfectant solution for sale to customers. a. Which workstations are the bottleneck? Explain with a picture of the workstation.b. What is the resulting time (throughput time) of the entire work system above?c. How much disinfectant solution can a company produce per hour?
Green Vehicle Inc. manufactures electric cars and small delivery trucks. It has just opened a new factory where the C1 car and the T1 truck can both be manufactured. To make either vehicle, processing in the assembly shop and in the paint shop are required. It takes 1/40 of a day and 1/60 of a day to paint a truck of type T1 and a car of type C1 in the paint shop, respectively. It takes 1/50 of a day to assemble either type of vehicle in the assembly shop. A T1 truck and a C1 car yield profits of $300 and $220, respectively, per vehicle sold. a) Define the objective function and constraint equations. b) Graph the feasible region. c) What is a maximum-profit daily production plan at the new factory? d) How much profit will such a plan yield, assuming whatever is produced is sold?

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