Using the high-low method, what is the variable cost of sterilizing an instrument using the new equipment? (Round answer to 2 decimal places, e.g. 52.75.)

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 28EQ
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Using the high-low method, what is the variable cost of sterilizing an instrument using the new equipment? (Round answer to 2 decimal places, e.g. 52.75.)

Variable cost  

$ ______________

enter Variable cost in dollars per instrument

rounded to 2 decimal places

per instrument  
After graduating from dental school two years ago, Dr. Lauren Farish purchased the dental practice of a long-time dentist who
was retiring. In January of this year, she had to replace the outdated autoclave equipment she inherited from the previous
dentist. Now, as she is preparing her budget for next year, she is concerned about understanding how her cost for sterilizing her
dental instruments has changed. She has gathered the following information from her records:
Month
Number of instruments used
Total autoclave cost
January
850
$7,600
February
750
6,800
March
920
8,200
April
950
8,600
May
1,150
9,900
June
900
8,100
July
1,050
9,600
August
975
8,700
Transcribed Image Text:After graduating from dental school two years ago, Dr. Lauren Farish purchased the dental practice of a long-time dentist who was retiring. In January of this year, she had to replace the outdated autoclave equipment she inherited from the previous dentist. Now, as she is preparing her budget for next year, she is concerned about understanding how her cost for sterilizing her dental instruments has changed. She has gathered the following information from her records: Month Number of instruments used Total autoclave cost January 850 $7,600 February 750 6,800 March 920 8,200 April 950 8,600 May 1,150 9,900 June 900 8,100 July 1,050 9,600 August 975 8,700
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