Mining, Inc., is trying to identify the cost behavior of the three costs shown. Cost information is provided for six months.

		Cost 1		Cost 2		Cost 3
Month	Units Produced	Total Costs	Cost per Unit	Total Costs	Cost per Unit	Total Costs	Cost per Unit
1	8,000	$10,000	_____	$24,000	_____	$32,000	_____
2	10,000	10,000	_____	29,000	_____	40,000	_____
3	12,000	10,000	_____	33,600	_____	48,000	_____
4	14,000	10,000	_____	36,400	_____	56,000	_____
5	16,000	10,000	_____	38,400	_____	64,000	_____
6	18,000	10,000	_____	39,600	_____	72,000	_____

Required:

Calculate the cost per unit, and then identify how the cost behaves (fixed, variable, or mixed) for each of the three costs.