A Company Needs to Locate Three Departments (X, Y, and Z)

Multiple Choice

A company needs to locate three departments (X, Y, and Z) in the three areas (I, II, and III) of a new facility. They want to minimize interdepartmental transportation costs, which are expected to be $.50 per load per meter moved. An analyst has prepared the following distances and flow matrices: $\begin{array}{l}\text { Distances (meters) } \quad\quad\quad\quad\quad\quad \text { Flows (loads per week }\\\begin{array}{rlll}\text { From/To } & \text { I } & \text { II } & \text { III } \\\hline \text { I } & - & 10 & 20 \\\text { II } & & - & 10 \\\text { III } & & & -\end{array}\quad\quad\begin{array}{rlll}\text { From/To } & \mathrm{X} & \mathrm{Y} & \mathrm{Z} \\\hline \mathrm{X} & - & 60 & 90 \\\mathrm{Y} & 40 & - & 160 \\\mathrm{Z} & 110 & 140 & -\end{array}\end{array}$ If departments X, Y, and Z were to be located in areas I, II, and III, respectively, what would be the total distance (in meters) loads would be moved each week?

A) 4,000
B) 4,500
C) 7,000
D) 8,000
E) 9,000