The price of a cowboy hat is $100. Willie can produce a hat at a marginal cost of $130, Waylon can produce at a marginal cost of $100, and Merle can produce at a marginal cost
of $85. Which of the following statements is correct?
OA. Willie's producer surplus is $30
OB. The sum of producer surplus is $15.
OC. All three of these sellers will gain producer surplus from selling a hat
COD. The sum of producer surplus is $45.
OE. The sum of producer surplus is $30.