Laura is a gourmet chef who runs a small catering business in a competitive industry. Laura specializes in making wedding cakes. Laura sells 20 wedding cakes per month. Her monthly total revenue is $5,000. The marginal cost of making a wedding cake is $300. In order to maximize profits, Laura should a) make more than 20 wedding cakes per b) make fewer than 20 wedding cakes c) continue to make 20 wedding cakes month. per month. per month. d) We do not have enough information to answer the question.