Excel Memory Company can sell all units of computer memory X and Y that it can produce, but it has limited production capacity. It can produce two units of X per hour or three units of Y per hour, and it has 4,000 production hours available. Contribution margin is $5 for product X and $4 for product Y. Calculate contribution margin per production hour.

	Product X	Product Y
Contribution margin per unit	$5.00	$4.00
Units produced per hour
Contribution margin per production hour