Fiori Corporation's relevant range of activity is 4900 units to 5500 units. When it produces and sells 5250 units, its average costs per unit are as follows:

	Average Cost
	per Unit
Direct materials	$	7
Direct labor	$	3
Variable manufacturing overhead	$	2
Fixed manufacturing overhead	$	3
Fixed selling expense	$	1.35
Fixed administrative expense	$	1.25
Sales commissions	$	1.7
Variable administrative expense	$	1.2

4. What is the unit variable cost of the 5,250 units?