There was a time not that many years ago when a penny found resting on a sidewalk was quickly snatched up and put into a pocket.
With all the weapons retailers have to try to get our money, it’s hard to imagine that a penny has much of a pull. Yet, check the prices: $9.99, $19.99, $99.99. The 9 is ubiquitous. So, why do so many prices end in 99, and does the one penny really make that much of a difference?