Fitness World, Inc., produces two basic types of weight-lifting equipment, Model 9 and Model 14. Pertinent data are as follows: LOADING... (Click the icon to view the data.) The weight-lifting craze suggests that Fitness World Fitness World can sell enough of either Model 9 or Model 14 to keep the plant operating at full capacity. Both products are processed through the same production departments. Read the requirements LOADING... . Before determining which products to produce, let's calculate the contribution margin per unit and the contribution margin per machine hour for each machine. (Enter the amounts to the nearest cent.) Model 9 Model 14 Selling price per unit 95.00 - Variable costs per unit = Contribution margin per unit ÷ Relative use of machine-hours per unit of product = Contribution margin per machine hour