path	mode	size
..	drwxr-xr-x
inventorycost	drwxr-xr-x
operationcost	drwxr-xr-x
stockingcost	drwxr-xr-x
supplycost	drwxr-xr-x
transportationcost	drwxr-xr-x
unitcost	drwxr-xr-x