For Movement Along the Demand Curve,from an Old Position to a New

Multiple Choice

For movement along the demand curve,from an old position to a new one,the price effect is quantifiable as

A) the old quantity times the change in price.
B) the new price times the change in quantity.
C) the new quantity divided by the change in price.
D) the old price times the change in quantity.
E) the old price times the new quantity.