For a Downward-Sloping Demand Curve, the Associated Marginal Revenue Curve

Multiple Choice

For a downward-sloping demand curve, the associated marginal revenue curve:

A) coincides with the demand curve.
B) lies below and is parallel to the demand curve.
C) has twice the slope as the demand curve.
D) is positive for all levels of sales.
E) is parallel to the quantity axis.