During the first six months of the year, a company incurred the following electricity costs: Month Machine Hours Electricity Cost Jan 780 $8,200 Feb 720 $8,387 Mar 800 $8,950 Apr 900 $9,360 May 950 $9,635 Jun 920 $9,150 Using the high-low method, estimate the variable cost per machine hour assuming machine hours as the cost driver of electricity costs. Report the answer in 2 decimal points