The administrator of a car dealership wants to know the fixed and variable component of the costs of the repair department. It provides you with the following 6-month information:

	Repair hours	A total repair cost
January	1000	$8,000
Febrary	2000	$11,000
March	1500	$9,000
April	1200	$9,000
May	1800	$10,500
June	2500	$12,500

Each car you repair takes an average of 10 hours. If in the month of July it is expected to have 14 cars in repairs, using the high point - low point method determine for July:

Variable unit cost per hour:_________

Total fixed cost:_________

Total variable cost in July:_________

Variable unit cost per car in January:_________