The total consumer surplus for good x can be calculated in all ways except as:
select one:
a. the sum of the individual consumer surpluses for all buyers of x.
b. the area bounded by the demand curve for x and the two axes.
c. the sum, for all buyers of x, of the difference between what each buyer is willing to pay for x and the amount actually paid.
d. the area below the demand curve for x and above the price of x.