process	bM	bS	sM	sS
bLoadX2M	1/(vol*(1-fS))			
bLoadM2X	-1/(vol*(1-fS))			
bLoadM2S	-1/(vol*(1-fS))	1/(vol*fS)		
bLoadS2M	1/(vol*(1-fS))	-1/(vol*fS)		
sLoadX2M			1/(vol*(1-fS))	
sLoadM2X			-1/(vol*(1-fS))	
sLoadM2S			-1/(vol*(1-fS))	1/(vol*fS)
sLoadS2M			1/(vol*(1-fS))	-1/(vol*fS)
bGrowthM	1		-1/yield	
bGrowthS		1		-1/yield
