On Apr 20, 1:48*pm, "John Gilmer" wrote:

But there are accounting rules for inventory which determine how is it
valued. * These rules (e.g.: *Last In, First Out; or Last In, Last Out) can
make a significant difference on the unit cost of items in inventory. * When
wholesale costs change materially, the makers often change the UPC which has
the effect of eliminating the effect of which rule was used.


Not all stores use the manufacturers UPC barcode... Most do, but some
will
add their own UPC barcode stickers over the one the manufacturer has
preprinted
on the packaging...

~~ Evan