Pharmor, Inc., would like to estimate the variable and fixed components of its electrical costs and has compiled the following data for the last four months of operations.

		Machine Hours	Electrical Cost
	January	30	$75
	February	42	$90
	March	35	$81
	April	20	$68

Required:

Use the high-low method:

Estimate both the fixed and variable component of its electrical cost.

If they expect 41 machine hours in May, what is their estimated total cost.