Suggestions have been offered in the United States that the most attractive customers of some presort firms are being charged a price in the neighborhood of one cent per piece.
The most attractive customers of some presort firms are being charged much less than other customers.
mnli hypothesis: The most attractive customers of some presort firms are being charged much less than other customers. premise: Suggestions have been offered in the United States that the most attractive customers of some presort firms are being charged a price in the neighborhood of one cent per piece.