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 out-dated 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:

What is the variable cost of sterilizing an instrument using the new equipment?(Round answer to 2 decimal places, e.g. 15.25.)

What is the fixed cost of the autoclave equipment?(Round answer to 0 decimal places, e.g. 5,275.)

What is the cost formula that Dr. Farish should use for estimating autoclave sterilization costs for next year?s budget?

If Dr. Farish estimates she will use 1,249 instruments next month, what cost should she include in her budget for instrument sterilization?(Round answer to 0 decimal places, e.g. 5,275.)

Month Number of instruments used Total autoclave cost January 634 $7,456 February 534 6,524 March 734 7,048 April 934 9,054 May 834 7,622 June 1,034 8,700 July 1,234 10,087 August1,1349,996