Slope of an Indifference Curve

Multiple Choice

slope of an indifference curve

A) shows the change in utility from an additional unit of the good.
B) shows the rate at which the consumer is able to substitute goods in the market.
C) is equal to the price ratio at all points.
D) is the rate at which the consumer is willing to exchange one good for another,utility held constant.
E) all of the above