MachineElectricityMachineElectricityMonthHoursCostsMonthHoursCostsJanuary 18,400 $ 7,393 July 20,400 $ 7,894 February 22,000 $ 8,672 August 20,500 $ 8,055 March 21,000 $ 8,226 September 22,400 $ 8,897 April 20,100 $ 7,808 October 22,200 $ 8,810 May 19,800 $ 7,511 November 21,900 $ 8,591 June 18,200 $ 7,301 December 21,100 $ 8,442 Using the high-low method determine:(a) the variable electricity cost per machine hour(b) the monthly fixed electricity cost in total.(c) the estimated total electricity costs for 24,000 machine hours.