An artist is selling a painting. There are three potential customers, and each customer knows the willingness to pay of the other two customers. The first customer values the painting at $3,000, the second values it at $2,800, and the third values it at $2,500.

Which of the following methods would generate the most revenue for the artist?

A fixed price of $3,200

A fixed price of $3,600

A Vickrey (sealed second-price) auction

A sealed first-price auction