After Consumer Council evidence that some HK supermarket BOGOs deliver far less than ~50% off and larger packs can cost more per unit, which grocery pricing/transparency concept wins purchase intent among weekly HK supermarket or online grocery shoppers who compare promotions and pack sizes?

After Consumer Council evidence that some HK supermarket BOGOs deliver far less than ~50% off and larger packs can cost more per unit, which grocery pricing/transparency concept wins purchase intent among weekly HK supermarket or online grocery shoppers who compare promotions and pack sizes? | PreferencesAI