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 4,400 production hours available. Contribution margin is $5 for product X and $4 for product Y. 1. Calculate contribution margin per production hour. 2. What is the most profitable sales mix for this Company? Complete this question by entering your answers in the tabs below. Required 1 Required 2 Calculate contribution margin per production hour. Contribution Margin per Production Hour Product X Product Y Contribution margin per production hour Regular Required 2 >