Please solve in excel and show the solver function S$14\mathrm{.}12.$ The manager of Biggs Department Store has four employees available to assign to three departments in the store: lamps, sporting goods, and linen. The manager wants each of these departments to have at least one employee but not more than two. Therefore, two departments will be assigned one employee, and one department will be assigned two. Each employee has different areas of expertise, which are reflected in the following average daily sales record for each employee from previous experience in each department: The manager wishes to know which employee$($s$)$ to assign to each department in order to maximize sales. Formulate and solve a linear programming model for this problem.