Keego Enterprises manufactures two products, boat wax and car wax, in two departments, Mixing and Packaging. The Mixing Department has 700 hours per month available while the Packaging Department has 900 hours per month available. Production of the two products cannot exceed 26,000 pounds. Data on the two products follow: Product Boat wax (B) Car wax (C) Contribution Margin (per 100 pounds) $280 $250 Hours per 100 Pounds of Output: Hours per 100 Pounds of Output: Packaging Mixing (M) 4.0 3.2 (P) 3.4 7.0 The Mixing Department (M) constraint for the Keego linear program would be (where B and C are expressed in 100-pound units of output):