The demand curve for product X is given by Qxd

The demand curve for product X is given by Qxd = 300 - 5Px.

a. Find the inverse demand curve.
b. How much consumer surplus do consumers receive when Px = $40?
c. How much consumer surplus do consumers receive when Px = $20?
d. In general, what happens to the level of consumer surplus as the price of a good falls?

The level of consumer surplus as the price of a good falls.