Martinez Companys relevant range of production is 7,900 units to 12,900 units. When it produces and sells 10,400 units, its unit costs are as follows:

	Amount Per Unit
Direct materials	$	6.60
Direct labor	$	4.10
Variable manufacturing overhead	$	1.50
Fixed manufacturing overhead	$	4.60
Fixed selling expense	$	3.60
Fixed administrative expense	$	2.00
Sales commissions	$	1.00
Variable administrative expense	$	0.50

3.	If 8,400 units are sold, what is the variable cost per unit sold? (Round your answer to 2 decimal places.)
4.	If 12,900 units are sold, what is the variable cost per unit sold? (Round your answer to 2 decimal places.)
5.	If 8,400 units are sold, what is the total amount of variable costs related to the units sold?
9.	If 8,400 units are produced, what is the total amount of fixed manufacturing cost incurred to support this level of production?
10.	If 12,900 units are produced, what is the total amount of fixed manufacturing cost incurred to support this level of production?