stock deduction after sales being made or finalized

[appsandlink]

hi there,
iam new here,but i wanna ask why my stock doesnt deduct after sales being made?
iam trying unicenta,openbravopos and no luck..its the same..

would anyone assist me for this?
iam still trying to figure it out using php and postgresql..
if i can find the sales script i think it alot more easy..
thanks.

[bmelman]

stock is kept per warehouse, not per product in general. A computer can be assigned to a location (maintenance->resources->/properties).
Current stock is immediately updated, check stock -> product location or stockcurrent table.