Marginal Revenue, Graphically, Is

Multiple Choice

Marginal revenue, graphically, is:

A) the slope of a line from the origin to a point on the total revenue curve.
B) the slope of a line from the origin to the end of the total revenue curve.
C) the slope of the total revenue curve at a given point.
D) the vertical intercept of a line tangent to the total revenue curve at a given point.
E) the horizontal intercept of a line tangent to the total revenue curve at a given point.