Electrical costs at one of Gotch Corporation's factories are listed below: Machine-Hours Electrical Cost . March 3,731 $35,243 April............... 3,728 $35,248 May................. 3,765 $35,479 June........ 3,793 $35,651 July. 3,797 $35,692 August.............. 3,701 $35,044 September........ 3,800 $35,694 October.............. 3,735 $35,276 November........ 3,740 $35,325 Management believes that electrical cost is a mixed cost that depends on machine-ho Using the high-low method to estimate the variable and fixed components of this O a. $9.11 per machine-hour AND $1,249 per month respectively O b. $9.43 per machine-hour AND $35,406 per month respectively c. $6.57 per machine-hour AND $10,728 per month respectively Od. $0.15 per machine-hour AND $35,115 per month respectively Clear my choice