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 meter moved. An analyst has prepared the following flow and distance matrices:
What is the distance (in meters) from area III to area I of this new facility?

A)  0
B)  10
C)  20
D)  30
E)  40