41. A manager is góing to purchase new processing equipment and must decide on the number of spare parts to order with the new equipment. The spares cost $200 each, and any unused spares will have an expected salvage value of $50 each. The probability of usage can be described by this distribution: Number 1 2 3 Probability 10 50 25 15

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...
icon
Related questions
Question

help please need to see work and answers done in excel only 

41. A manager is going to purchase new processing equipment and must decide on the number of
spare parts to order with the new equipment. The spares cost $200 each, and any unused spares
will have an expected salvage value of $50 each. The probability of usage can be described by this
distribution:
Number
1
2
Probability
10
.50
25
15
600
Chapter Thirteen Inventory Management
If a part fails and a spare is not available, two days will be needed to obtain a replacement
and install it. The cost for idle equipment is $500 per day. What quantity of spares should be
ordered?
a. Use the ratio method.
b. Use the tabular method (see Table 13.3).
Transcribed Image Text:41. A manager is going to purchase new processing equipment and must decide on the number of spare parts to order with the new equipment. The spares cost $200 each, and any unused spares will have an expected salvage value of $50 each. The probability of usage can be described by this distribution: Number 1 2 Probability 10 .50 25 15 600 Chapter Thirteen Inventory Management If a part fails and a spare is not available, two days will be needed to obtain a replacement and install it. The cost for idle equipment is $500 per day. What quantity of spares should be ordered? a. Use the ratio method. b. Use the tabular method (see Table 13.3).
Expert Solution
Step 1
  1. Ratio method –

Number

Probability

Cumulative probability

0

0.10

0.10

1

0.50

0.60

2

0.25

0.85

3

0.15

1.00

 

Cost of idle equipment = $500 per day × 2 days = $1000

Cost of excess inventory= Unit cost - salvage value 

                                       = $200 - $50 = $150

 

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Similar questions
Recommended textbooks for you
Practical Management Science
Practical Management Science
Operations Management
ISBN:
9781337406659
Author:
WINSTON, Wayne L.
Publisher:
Cengage,
Operations Management
Operations Management
Operations Management
ISBN:
9781259667473
Author:
William J Stevenson
Publisher:
McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi…
Operations and Supply Chain Management (Mcgraw-hi…
Operations Management
ISBN:
9781259666100
Author:
F. Robert Jacobs, Richard B Chase
Publisher:
McGraw-Hill Education
Business in Action
Business in Action
Operations Management
ISBN:
9780135198100
Author:
BOVEE
Publisher:
PEARSON CO
Purchasing and Supply Chain Management
Purchasing and Supply Chain Management
Operations Management
ISBN:
9781285869681
Author:
Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:
Cengage Learning
Production and Operations Analysis, Seventh Editi…
Production and Operations Analysis, Seventh Editi…
Operations Management
ISBN:
9781478623069
Author:
Steven Nahmias, Tava Lennon Olsen
Publisher:
Waveland Press, Inc.