Given the Following Process Layout Data for Locating Four Departments

Given the following process layout data for locating four departments (A, B, C, and D) in four areas (1, 2, 3, and 4): $\begin{array}{l}\text { Distances (meters) } \quad\quad\quad\quad\quad\quad \text { Flows (loads per week }\\\begin{array}{rlll}\text { From/To } & 1 & 2 & 3 & 4 \\\hline 1 & - & 50 & 100 & 150 \\2 & & - & 50 & 100 \\3 & & & - & 50 \\4 & & & & -\end{array}\quad\quad\begin{array}{rlll}\text { From/To } & \text { A } & \text { B } & \text { C } & \text { D } \\\hline \text { A } & - & 10 & 40 & 50 \\\text { B } & 30 & - & 10 & 70 \\\text { C } & 60 & 10 & - & 40 \\\text { D } & 30 & 50 & 20 & -\end{array}\end{array}$ If departments A through D were to be located in areas 1 through 4, respectively, what would be the total distance loads would be moved each month?