The calculated scenarios may be generated by various engines within {HEAD ~ the analysis system}, which may include a requirement engine, supply environment engine, {TAIL ~ inventory related costs processor}, and shortage costs processor 
include
The calculated scenarios may be generated by various engines within { HEAD ~ the analysis system } , which may include a requirement engine , supply environment engine , { TAIL ~ inventory related costs processor } , and shortage costs processor
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH