If I have a table where I add products to keep stock.
what is the best way or approach to take out stock ? If I add 20 items of PRODUCT A, not if I want to take out 10 items, what is the best approach to do that ?
I know I can edit the add page and type 10 instead of 20 but it is not the best way as I will have to do all the calculations manually.
please advise ?
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