If the results come out as "0" means the number resulting from the calculation Department, PC, and the number of such raw materials, physical Department, MFG number 2 not all the different departments.
if the result is "0" means that the number of the PC division was calculated from the number of the counting of the physical material of the front MFG numbers were not significantly different between the two departments.
. If the results come out. "0" means the number resulting from the calculation from the Department PC and numbers from existing material counting of the Department. MFG number acquired both 2 Department. No different.