Using the high-low method, determine the variable electricity cost per machine hour (round off nearest centavo).

2. Using the high-low method, determine the estimated fixed electricity costs per month.

3. Using the high-low method, estimate the electricity costs for a month in which 5,000 machine hours are worked.

 

Machine hours and electricity costs for Britney Industries for 2021 were as follows: Utility Cost 22,080 25,200 16,200 27,600 33,900 26,400 29,700 27,300 18,600 31,200 37,200 33,300 Months January February March April May June July August September October November December Machine Hours 4,800 5,568 3,648 5,952 7,296 6,336 7,872 6,720 3,840 7,104 9,024 8,064