> In Australia at least this whole problem was perfectly adequately solved by mandating bulk price labeling on all items in the supermarket. Products in compara

> In Australia at least this whole problem was perfectly adequately solved by mandating bulk price labeling on all items in the supermarket. Products in comparable categories have per volume/weight prices listed alongside item prices. Same in Europe. Mandatory labeling per volume/weight, pre-discount, after-VAT in addition to the discounted item prices. Then you glance at the shelves and make up your mind.