The following cost information pertained to the Violin Division of Stringing Music Co. and was based on monthly demand and sales of 100 units:

	Per-Unit Costs
Variable production costs:
Direct materials	$	170
Direct labor		200
Variable factory overhead		110
Fixed production costs:
Depreciation (equipment)		70
Factory rent		98
Other		22
Total production cost	$	670
Variable selling & administrative costs	$	34	per unit
Fixed selling & administrative costs	$	46	per unit

Given a normal selling price per unit of $800, what is the contribution margin per unit sold for recurring (i.e., normal) sales?

Multiple Choice

• $486.

• $466.

• $426.

• $286.

• $630.