Question 8 Utility costs at one of Helker Corporation's factories are listed below: Not yet answered Marked out of 0.40 Flag question January February March April May June July August. September Machine-Hours 4,711 4,780 4.704 4,768 4,723 4,721 4,759 4.730 4,720 Utility Cost $34,799 $35,138 S34,762 $35,093 $34,872 $34,840 S35,053 S34,918 S34,834 Management believes that utility cost is a mixed cost that depends on machine-hours. Required: Estimate the variable cost per machine-hour using the high-low method. Round off all calculations to the nearest whole cent