Determine the fixed- and variable-cost components using the high-low method. Fixed-costs   $   Variable-costs   $       LINK TO TEXT LINK TO TEXT       What electricity cost does the cost equation estimate for a level of activity of 460 machine hours? Electricity costs   $   By what amount does this differ from March’s observed cost for 460 machine hours? Amount differ   $       LINK TO TEXT LINK TO TEXT       What electricity cost does the cost equation estimate for a level of activity of 790 machine hours? Electricity costs   $   By what amount does this differ from June’s observed cost for 790 machine hours? Amount differ   $       LINK TO TEXT LINK TO TEXT

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter9: Decision Making Under Uncertainty
Section: Chapter Questions
Problem 30P
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Problem 22-01A a-c

The controller of Sunland Production has collected the following monthly expense data for analyzing the cost behavior of electricity costs.
    Total
Electricity Costs
  Total
Machine Hours
January     $2,490       250  
February     3,000       320  
March     3,530       460  
April     4,740       695  
May     3,160       450  
June     4,900       790  
July     4,130       625  
August     3,890       590  
September     5,170       680  
October     4,220       610  
November     3,290       320  
December     6,410       810  
 
 
 
 
Determine the fixed- and variable-cost components using the high-low method.
Fixed-costs   $

 

Variable-costs   $

 

 
 

LINK TO TEXT

LINK TO TEXT

 
 
 
What electricity cost does the cost equation estimate for a level of activity of 460 machine hours?
Electricity costs   $

 


By what amount does this differ from March’s observed cost for 460 machine hours?
Amount differ   $

 

 
 

LINK TO TEXT

LINK TO TEXT

 
 
 
What electricity cost does the cost equation estimate for a level of activity of 790 machine hours?
Electricity costs   $

 


By what amount does this differ from June’s observed cost for 790 machine hours?
Amount differ   $

 

 
 

LINK TO TEXT

LINK TO TEXT

 
 
 
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