baisc mangiral help !

Slonaker Inc. has provided the following data concerning its maintenance costs Machines-Hours Cost October 5,809 $30,388 August 5,717 $30,078 Management believes that maintenance cost is a mixed cost that depends on machine-hours. Using the high-low method, variable cost per machine-hour is: (2 points) O $3.37 OB. 85.23 O C 55.26 O D.Others O Option 2