campus copy and printing wants to predict copy machine repair expense at different levels of copying activity

Month Repair Expense Copies Made
May $8500 300,000
June 12,500 500,000
July 20,500 900,000
Aug 16,500 700,000
Sept 10,500 400,000


I need help determining the fixed and variable components of repair expense using the high-low methods. I need to use copies made as the measure of activity

Thank you for taking the time to copy your homework to AMHD.
Please refer to this announcement: https://www.askmehelpdesk.com/finance-accounting/announcement-font-color-ff0000-u-b-read-first-expectations-homework-help-board-b-u-font.html

We won't do your work for you, but here is another thread where an example has been done both by an algebraic and a non-algrebraic method. You're welcome to send in your attempts at doing the problem for someone to check, or ask what you don't understand about it.
https://www.askmehelpdesk.com/accounting/high-low-method-223233.html