The president of Hill Enterprises, Terri Hill, projects the firm's aggregate demand requirements over the next 8 months as follows: January February Month 0 December 1 January 2 February 3 March 4 April 5 May 6 June March April 7 July 8 August Her operations manager is considering a new plan, which begins in January with 200 units of inventory on hand. Stockout cost of lost sales is $65 per unit. Inventory holding cost is $25 per unit per month. Ignore any idle-time costs. Evaluate the following plans D and E. Plan D: Keep the current workforce stable at producing 1,600 units per month. In addition to the regular production, another 20% of the normal production units can be produced in overtime at an additional cost of $50 per unit. A warehouse now constrains the maximum allowabl inventory on hand to 600 units or less. Note: Do not produce in overtime if production or inventory are adequate to cover demand. Demand 1,400 1,500 1,600 1,800 2,100 2,300 1,400 1,500 1,600 1,800 1,800 1,400 Production (Units) May June 1.600 1,600 1,600 1,600 1,600 1,600 1,600 1,600 July August 2,100 2,300 1,800 1,400 O.T. Production (Units) Plan D O Ending Inventory Stockouts (Units) 200

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
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Chapter2: Introduction To Spreadsheet Modeling
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The president of Hill Enterprises, Terri Hill, projects the firm's aggregate demand requirements over the next 8 months as follows:
January
February
March
April
Month
0 December
1 January
2 February
3 March
4 April
5 May
6 June
7 July
8 August
Demand
1,400
1,500
1,600
1,800
2,100
2,300
1,400
1,500
1,600
1,800
Her operations manager is considering a new plan, which begins in January with 200 units of inventory on hand. Stockout cost of lost sales is $65 per unit. Inventory holding cost is $25 per unit per month. Ignore any idle-time costs. Evaluate the following plans D and E.
Plan D: Keep the current workforce stable at producing 1,600 units per month. In addition to the regular production, another 20% of the normal production units can be produced in overtime at an additional cost of $50 per unit. A warehouse now constrains the maximum allowable
inventory on hand to 600 units or less.
Note: Do not produce in overtime if production or inventory are adequate to cover demand.
1,800
1,400
Production
(Units)
1,600
1,600
May
June
1,600
1,600
1,600
1,600
1,600
1,600
July
August
2,100
2,300
1,800
1,400
Plan D
O.T.
Ending
Production (Units) Inventory
200
Stockouts (Units)
Transcribed Image Text:The president of Hill Enterprises, Terri Hill, projects the firm's aggregate demand requirements over the next 8 months as follows: January February March April Month 0 December 1 January 2 February 3 March 4 April 5 May 6 June 7 July 8 August Demand 1,400 1,500 1,600 1,800 2,100 2,300 1,400 1,500 1,600 1,800 Her operations manager is considering a new plan, which begins in January with 200 units of inventory on hand. Stockout cost of lost sales is $65 per unit. Inventory holding cost is $25 per unit per month. Ignore any idle-time costs. Evaluate the following plans D and E. Plan D: Keep the current workforce stable at producing 1,600 units per month. In addition to the regular production, another 20% of the normal production units can be produced in overtime at an additional cost of $50 per unit. A warehouse now constrains the maximum allowable inventory on hand to 600 units or less. Note: Do not produce in overtime if production or inventory are adequate to cover demand. 1,800 1,400 Production (Units) 1,600 1,600 May June 1,600 1,600 1,600 1,600 1,600 1,600 July August 2,100 2,300 1,800 1,400 Plan D O.T. Ending Production (Units) Inventory 200 Stockouts (Units)
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