Smooth 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 Contribution Margin $($per $100$ pounds$)$ Hours per $100$ pounds of Output: Mixing $($M$)$ Hours per $100$ Pounds of Output: Packaging $($P$)$

Boat wax $($B$)$ $ $2804\mathrm{.}03\mathrm{.}4$

Car wax $($C$)$ $$2503\mathrm{.}27\mathrm{.}0$

The Mixing Department $($M$)$ constraint for the Smooth linear program would be $($where B and C are expressed in $100-$pound units of output$)$: