For a Linear and Upward Sloping Supply Curve and a Linear

Multiple Choice

For a linear and upward sloping supply curve and a linear downward sloping demand curve, when the consumer has to pay a positive price for the good, the producer surplus is a

A) Rectangle.
B) Triangle.
C) Four-sided figure that is a rectangle on the bottom and a right triangle on the top whose hypotenuse is the demand curve.
D) Four-sided figure that is a rectangle on the bottom and a right triangle on the top whose hypotenuse is the supply curve.