Smooth Enterprises manufactures two products, boat wax and car wax, in two departments, Mixing and Packaging. The Mixing Department has 900 hours per month available while the Packaging Department has 1,200 hours per month available. Production of the two products cannot exceed 45,000 pounds. Data on the two products follow: Contribution Margin (per 100 pounds) $ 260 $230 Product Boat wax (B) Car wax (C) Hours per 100 Pounds of Output: Packaging (P) 2.3 Hours per 100 pounds of Output: Mixing (M) 5.0 2.3 2.0 The Mixing Department (M) constraint for the Smooth linear program would be (where B and Care expressed in 100-pound units of output): Multiple Choice 2.3M + 2P