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Actually, it started as a bookkeeping method but I don't recall how it works. If a retailer added up all his sales at the end of the day, or during the transact
by drhowarddrfine 17y ago
Actually, it started as a bookkeeping method but I don't recall how it works. If a retailer added up all his sales at the end of the day, or during the transaction, it should always end in a certain way. Odd/even? Don't recall but that's the root of the idea.
- zepolen 17y agoIt was because if something cost 9.99 and the customer gave a 10 dollar note, he would have to open the register to return a penny instead of pocketing the bill. It's also the reason those cash registers made a loud ding when they opened.