Suppose That There Are Four Consumers Whose Maximum Willingnesses to Pay

Multiple Choice

Suppose that there are four consumers whose maximum willingnesses to pay for a good are $20, $15, $8, and $4, respectively. A firm can produce and sell the good at a constant marginal cost of $6. If the firm practiced perfect price discrimination, its total revenues would equal:

A) $18.
B) $24.
C) $43.
D) $47.