Which Is Correct Regarding Tapering Rates

Multiple Choice

Which is correct regarding tapering rates?

A) The principle is based on the carrier's ability to spread certain fixed shipment costs over a greater number of miles.
B) Transportation rates increase with distance directly in proportion to the distance.
C) In a one-source, one-market situation, the impact of the tapering rate will be to pull the location toward a point midway between the source and the market.
D) Uses transportation simplifications to recommend facility locations