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A cement manufacturer has supplied the following data:

Tons of cement produced and sold		251,000
Sales revenue	$	1,054,200
Variable manufacturing expense	$	420,000
Fixed manufacturing expense	$	279,000
Variable selling and administrative expense	$	82,000
Fixed selling and administrative expense	$	219,000
Net operating income	$	54,200

What is the company's unit contribution margin? (Round your intermediate calculations to 2 decimal places.)