Mars Company manufactures and sells three products. Relevant per unit data concerning each product are given below.

		Product
		A		B		C
Selling price		$11		$13		$18
Variable costs and expenses		$6		$10		$15
Machine hours to produce		2		1		2

Compute the contribution margin per unit of limited resource (machine hours) for each product. (Round contribution margin per unit to 2 decimal places, e.g. 1.50.)

		Product A		Product B		Product C
Contribution margin per unit of limited resource		$		$		$