How do you set international delivery prices in your online shop? (blog.folksy.com)
The reverse, where the price of a commodity for future delivery is lower than the spot price, or where a far future delivery price is lower than a nearer future delivery, is known as backwardation. (en.wikipedia.org)
The average delivery price of municipal water in the U.S. is around 60 cents a cubic meter, according to the American Water Works Association. (scientificamerican.com)