Willingness to pay (per month) 13. This table shows the willingness to pay of the only three potential customers of a firm that runs both a weight room and an indoor swimming pool. The weight room and pool each have a constant marginal cost of $20 per month. Which of the following pricing strategies yields the highest producer surplus? Solution $60 for the weight room, $140 for the pool, or $175 for both, this strategy gives higher surplus to the producer. .