01 · The principle
Stock you have to update by hand is stock that is wrong by Thursday
Keeping a second set of numbers beside the selling is what turns stock software into a chore. Here there is no second set. A bill takes stock down, receiving stock puts it back, an adjustment corrects a count, and those are the only things that can move a figure, so the figure is either right or explainable.
- Sales reduce stock as a consequence of billing
- Stock you receive increases it
- Adjustments are recorded with a reason
- Purchases recorded against the supplierPro
