Operations Management: Processes and Supply Chains, Student Value Edition Plus MyLab Operations Management with Pearson eText -- Access Card Package (12th Edition)
12th Edition
ISBN: 9780134855424
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Chapter D, Problem 20P
Summary Introduction
Interpretation: Assuming the given constraints, the best regular-time capacity plan is to be proposed.
Concept Introduction: The Company produces shovels for industrial and home-use.
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Kevins Shampoo company makes four kinds of shampoo: rose, lemon, ginger, and tea tree. The demand for the four scents are 191, 164, 92 and 74 kg per hour respectively. The production process can produce any shampoo at the rate of 581 kg per hour, but 2 hours are needed to switch between scents. The process doesn’t produce any shampoo during switchover times. Kevin wants to choose a production schedule that (i) cycles repeatedly through the four scents, (ii) meets the required demand and (iii) minimizes the amount of inventory held. (please round your answers to 2 decimal places) 1.How many kg of rose shampoo should Kevin produce before switching over to another scent？ 2.Kevin needs to buy coconut oil to make her shampoo. She needs 1401 kg of coconut oil per day on average. The supplier charges a EUR 77 delivery fee per order (which is independent of the order size) and EUR 5.13 per kg. Kevin annual holding cost is 30%. Assume 52 weeks per year and 5 days per week. If Kevin wants to…
The management of Swift Company has determined the aggregated demand schedule in the following units:
Month
Demand
Jan
650
Feb
930
Mar
1110
Apr
1550
May
2120
Jun
3130
Jul
2870
Aug
1690
Sept
1530
Oct
1610
Nov
2110
Des
1330
Each worker can produce an average of 10 units per month and is paid $2,000 (payroll costs) at regular time per month. If workers go home early (undertime) they are paid the same as normal time (regular time). In accordance with the employment contract with the union, the company does not impose overtime hours and sub-contracts work. companies can recruit and train (hire & train) new workers for a fee of $2,000 and lay off per person for $ 500. Inventory cost $ 32 per unit at the end of each month. Currently the company employs 140 workers, to anticipate inventory is 0 then:
Make a production plan using the workforce level to anticipate inventory by choosing an additional supply…
JokersRWild makes playing cards in several different styles, but a “standard” deck of cards is used for planning purposes. The average worker at JokersRWild can make 10,000 sets of decks of cards per month at a cost of $3.40 per deck during regular production and $3.70 during overtime. The company currently employs 35 workers. Experience shows that it costs $1,700 to hire a worker and $1,700 to fire a worker. Inventory carrying cost is $.49 per deck per month.
The beginning inventory is 54,000, and at least that amount is desired each month. Assume hiring and layoff/firing, if necessary, occur at the beginning of the month.
Month
January
February
March
April
May
June
Demand
200,000
240,000
200,000
530,000
540,000
870,000
e. Develop a six-month production plan based on chase by changing workforce level. (Leave no cells blank - be certain to enter "0" wherever required.)
Chase Production Plan – Changing Workforce Level
Month
Demand
Regular Production
Ending…
Chapter D Solutions
Operations Management: Processes and Supply Chains, Student Value Edition Plus MyLab Operations Management with Pearson eText -- Access Card Package (12th Edition)
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