Does Barcode Scanner tell the price of an individual item? i.e. - I'm in a store, pick up an item with no price tag. Can I scan the bar code and tell what that store is charging? I tried several scanners, but either they give me a list of 10 stores that sell the item (not the store I'm in) or they give me some absurd price. I scanned a bottle of hairspray at WalMart and got a price of $147.46!