Waterways has a sales mix of sprinklers, valves, and controllers as follows.

Annual expected sales:
Sale of sprinklers		460,000 units at $26.50
Sale of valves		1,480,000 units at $11.20
Sale of controllers		60,000 units at $42.50

Variable manufacturing cost per unit
Sprinklers		$13.96
Valves		$7.95
Controllers		$29.75
Fixed manufacturing overhead cost (total)				$760,000

Variable selling and administrative expenses per unit:
Sprinklers		$1.30
Valves		$0.50
Controllers		$3.41
Fixed selling and administrative expenses (total)				$1,600,000 Using the annual expected sales for these products, determine the weighted-average unit contribution margin for these three products. (Round answer to two decimal places, e.g. 5.25.)