Item	Units
	Sprinklers	467,874
	Valves	1,595,025
	Controllers	63,801
	Total Units	2,126,700
	Sales Mix %
	Item	Percentage
	Sprinklers
	Valves
	Controllers

Annual expected sales:
Sale of sprinklers		467,874 units at $26.00
Sale of valves		1,595,025 units at $11.00
Sale of controllers		63,801 units at $42.00

Variable manufacturing cost per unit:
Sprinklers		$14.00
Valves		$8.00
Controllers		$30.00
Fixed manufacturing overhead cost (total)				$750,000

Variable selling and administrative expenses per unit:
Sprinklers		$1.00
Valves		$1.00
Controllers		$3.00
Fixed selling and administrative expenses (total)				$1,721,681

(b)	Per Unit
		Sprinklers	Valves	Controllers
	Sales price
	Variable costs:
	Manufacturing
	Selling & admin.
	Total variable costs
	Contribution margin

Weighted-Average Unit Contribution Margin
			Weighted-Avg
	Unit CM X	Sales Mix % =	Unit CM
Sprinklers	-	0%
Valves	-	0%
Controllers	-	0%
Total