Company X has gathered the following data for it's three product lines, X, Y, and Z. Product X Product Y Product Z Contribution Margin $10,000 $14,400 $22,500 Units Produced 1,000 2,400 1,800 Labor hours required/unit 4 5 4 6 Machine hours required/unit 4 If Company X has a limited supply of machine hours, which product(s) should it prefer most? Product Y Product X Products X and Z Product Z