manager must decide which model of equipment to buy, model Ana ormodel Bea. The equipment can be operated by the department for 10hours a day, 260 days a year. Either machine can be used to perform twofunctions. Annual service requirements and processing times are shownbelow. The goal is to minimize total purchase cost.processing processingtime perfunction(hr)time perfunction(hr)annualvolumemodel ana model beafunction1 24001function2 1800 21cost/unit2200025000capacity of the department is

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Answered: manager must decide which model of…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter4: Linear Programming Models

Section4.8: Data Envelopment Analysis (dea)

Problem 42P

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Knott’s Industries manufactures standard and superpremium backyard swing sets. Currently it has four identi-cal swing-set-making machines, which are operated 250days per year and 8 hours each day. A capacity cushionof 20 percent is desired. The following information is alsoknown:Standard ModelSuper PremiumModelAnnual Demand 20,000 10,000Standard Processing Time 7 min 20 minAverage Lot Size 50 30Standard Setup Time per Lot 30 min 45 mina. Does Knott’s have sufficient capacity to meet annualdemand?b. If Knott’s was able to reduce the setup time for the SuperPremium Model from 45 minutes to 30 minutes, wouldthere be enough current capacity to produce 20,000 unitsof each type of swing set?
Mack’s guitar fabrication shop produces low cost, highly durable guitars for beginners. Typically, out of the 100 guitars that begin production each month, only 80 percent are considered good enough to sell. The other 20 percent are scrapped due to quality problems that are identified after they have completed the production process. Each guitar sells for $300. Because some of the production process is automated, each guitar only requires 10 labor hours. Labor is paid at $10/hour, materials cost is $40/guitar, and overhead is $2,000. a) Calculate the labor and multifactor productivities. b) After some study, the operations manager recommends 3 options to improve the company’s multifactor productivity: (1) increase the sales price by 10 percent, (2) improve quality so that only 10 percent are defective, or (3) reduce labor, material, and overhead costs by 10 percent. Which option has the greatest impact on the multifactor productivity measure?
Effective capacity is:a) the capacity a firm expects to achieve, given the currentoperating constraints.b) the percentage of design capacity actually achieved.c) the percentage of capacity actually achieved.d) actual output.e) efficiency.
You work for a small shipping company and warehouse. The owners have decided to update the software used for tracking, shipping, receiving, and inventory. Fifteen computers need to be updated. Hours of operation are 7 a.m. to 7 p.m. Monday through Saturday. Each computer must be updated manually by one of two trained employees, both of whom must be borrowed from other managers. The update procedure consumes 4 hours of the updater's time and generates an additional 1.5 hours of computer downtime. The work must be performed at a central loading station, away from the current location of the computer. How does the project portfolio management approach lead to enhanced strategic management for an organization and give an example how you woulduse this in a work place?
Pickson Luthiers Corporation makes four models of electric guitars, ScarCT, Dela Mort, Warax, and Invazen. Each guitar must flow through five departments, assembly, painting, sound testing, inspection, and packaging. The table below shows the relevant data. Production rates are shown in units/hour. (ScarCT is assembled elsewhere). Pickson wants to determine how many guitars to make to maximize monthly profit. Pickson Luthiers Corporation Data Guitar Model Selling price/Unit Variable cost/Unit Min Sales Max Sales ScarCT 750.00 660.00 0 2500 Dela Mort 788.00 680.00 0 2000 Warax 800.00 700.00 100 1000 Invazen 850.00 800.00 80 500 Production rates (units/hour) ScarCT Dela Mort Warax Invazen Hours Available Assembly - 35 25 20 220 Painting 35 20 15 10 220 Sound Testing 20 10 20 18 220 Inspection 10 12 8 5 220 Packaging 9 10 5 8 220 Use a linear optimization model based on the data to answer the following…
I need the excel formulas for the following, please! A concession stand manager at a baseball game must decide whether to have the souvenir vendors sell sun visors or umbrellas. There is a 30% chance of rain, a 15% chance of clouds, and a 55% chance of sunshine, according to weather predictions for the game. Because supplies can only be ordered 3 days before each game, the stand manager is unable to waituntil the day before the game to acquire the materials to be sold. The manager estimates the following profits will result from each decision, given the weather conditions. Given the following table, select the best decision using the following decision criteria.• Maximin• Maximax• Maximum likelihood criterion• Bayes’ decision rule Decision Rain Cloudy Sunny Sun Visors $-500 $-200 $1,500 Umbrellas $2,000 $0 $-900 Prior Probabilities 0.30 0.15 0.55
An airline company must plan its fleet capacity and its long-term schedule of aircraft usage. For one flight segment, the average number of customers per day is 70, which represents a 65 percent utilization rate of the equipment assigned to the flight segment. If demand is expected to increase to 80 customers for this flight segment in three years, what capacity requirement should be planned? Assume that management deems that a capacity cushion of 20 percent is appropriate. what the needed capacity requirement is ----------- customers per day. (Enter your response rounded up to the next whole number.)
If a production facility equipment runs for l0 hours and must be idlefor four hours while being cleaned. lts plants operate dayand night, all week long. What are the implications for thecompany's purchasing, inventory control, scheduling, andquality control functions?
Which is most likely true about theory of constraints? a. The theory of constraints does not apply to companies with multiple products because of capacity measurement difficulties. b. In any profit-seeking company, there must be at least one constraint. c. Constraints or bottlenecks stop organizations from selling an infinite number of units or services. d. b & c e. All of the above f. None of the above
Bectol, Inc. is building a dam. A total of 10 million cuft of dirt is needed to construct the dam. A bulldozer is usedto collect dirt for the dam. Then the dirt is moved via dumpersto the dam site. Only one bulldozer is available, and it rentsfor $100 per hour. Bectol can rent, at $40 per hour, as manydumpers as desired. Each dumper can hold 1,000 cu ft ofdirt. It takes an average of 12 minutes for the bulldozer toload a dumper with dirt, and each dumper an average of fiveminutes to deliver the dirt to the dam and return to the bulldozer. Making appropriate assumptions about exponen-tiality, determine how Bectol can minimize the total expected cost of moving the dirt needed to build the dam.
Knott’s Industries manufactures standard and super premium backyard swing sets. Currently it has four identical swing-set-making machines, which are operated 250 days per year and 8 hours each day. A capacity cushion of 20 percent is desired. The following information is also known: Standard Model Super PremiumModel Annual Demand Standard Processing Time Average Lot Size Standard Setup Time per Lot 20,000 7 min 50 30 min 10,000 20 min 30 45 min a. Does Knott’s have sufficient capacity to meet annual demand?b. If Knott’s was able to reduce the setup time for the Super Premium Model from 45 minutes to 30 minutes, would there be enough current capacity to produce 20,000 units of each type of swing set?
Which answer is FALSE and explanation A populer fast food restaurant has one cashler who takes an average of 1.5 minutes to serve a customer.suppose demand at the restaurant is forecast to be 35 Customers per hour from 11am to 1 prn and 50 customers per hour from 6 pm to 8 pm.which of the following statements are false? (a) The flowrate of the restaurant is 35 customers per hour during the 11am to 1pm period and 40 customers per hour during the 6pm to 8pm period (b) The flowrate of the restaurant is 35 customers per hour during the 11am to 1pm period and 50 customers per hour during the 6pm to 8pm period (c) The capacity of the restaurant is 40 customers per hour during both time intervals - 11am to 1pm and 6pm to 8pm (d) the utilization of the cashier is 87.5% during the 11am to 1pm period and 100% during the 6pm to 8 pm period

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