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 $0.50 per load meter moved. An analyst has prepared the following flow and distance matrices: What is the total flow (loads per week) between department Y and department Z?
a. 130
b. 150
c. 180
d. 230
e. 280
