Amanda buys a ruby for $330 for which she was willing to pay $340. the minimum acceptable price to the seller, tony, was $140. amanda experiences: a consumer surplus of $10 and tony experiences a producer surplus of $190. a producer surplus of $200 and tony experiences a consumer surplus of $10. a consumer surplus of $670 and tony experiences a producer surplus of $200. a producer surplus of $10 and tony experiences a consumer surplus of $190.