Joe's Furniture, LLC, manufactures both press wood bookshelves and desks. Management wants to develop a linear programming model to determine the numbers of bookshelves and desks to better utilize the labor resources. The contributions to fixed cost and profit each bookshelf and each desk are $11 and $13, respectively. The following table gives labor requirements in the Cutting, Drilling and Packaging departments, as well as the total number of labor hours available in each department per day.

\fFrom To Department Maximum Labor Department Hours Cutting Drilling Packaging Transferable Cutting Yes Yes 200 Drilling Yes Yes 150 Packaging Yes 100