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

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

Compute the contribution margin per unit of limited resource (machine hours) for each product.

Contribution margin per unit of limited resource for Product A, B, C