6 Chapter 2 WileyPLUS Homework Question 3 of 7 - / 4 E View Policies Current Attempt in Progress After graduating from dental school two yea rs ago, Dr. Ruth Lewis purchased the dental practice of a long-time dentist who was retiring. In January ofthis year, she had to replace the outdated autoclave equipment she inherited from the previous dentist.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 $8,705 February 750 8,000 March 920 9238 April 950 9,710 May 1,150 10,720 June 900 9,157 July 1.050 105 15 August 975 9,686 (a) Identify the high and low points. Activity Level $ High point $ Low point $ Using the high-low method, what is the variable cost of sterilizing an instrument using the new equipment? (Round answer to 2 decimal places, as. 52.75.) Variable cost per instrument eTextbook and Media Save for Later Attempts: 0 of 3 used 0)) The parts of this question must be completed in order. This part will be available when you complete the part above. (C) The parts of this question must be completed in order. This part will be available when you complete the part above. (d) The parts of this question must be completed in order. This part will be available when you complete the part above