The Bear Company collected the following monthly information on units produced and electricity costs:

Month	Units Produced	Electricity Costs
January	50,000	$78,000
February	48,000	$74,500
March	47,000	$72,000
April	54,000	$81,000
May	58,000	$86,000
June	53,000	$79,500

Using the high-low method, prepare an estimate of electricity costs for July, assuming 53,500 units are expected to be produced in July.