ABC Company maintains a heavy schedule of maintenance for its fleet of trucks. It regularly checks its cost behavior every six months. The following information from the company is presented below:

 

 

 

Using High-Low method, compute the fixed and variable portions of the maintenance costs.  

Month Hours Maintenance Cost January 53,000 $ 600,000 February 55,000 700,000 March 47,000 550,000 650,000 April 51,000 500,000 45,000 May 610,000 49,000 June