The following six months of data were collected for electricity cost and the number of barista hours worked in a coffeehouse: Month Electricity cost Barista hours January $130,300 1,100 February 145,500 1,395 March 125,250 1,050 April 150,250 1,550 May 135,750 1,240 June 148,200 1,450 Required: A. Using the high-low method, compute the variable cost rate for electricity. per machine hour B. Using the high-low method, compute the total fixed cost for electricity. C. Estimate July's total electricity cost if baristas are expected to work a total of 1,400 hours in July