The article examines the costs involved in adjusting prices for a large U.S. industrial manufacturer and its customers. The researchers found that these costs are more complex than previously thought, including managerial costs like decision-making and communication, and customer costs like negotiation. Overall, price adjustment costs make up a significant portion of the company's revenue and net margin. The study also shows a connection between these costs and price rigidity, with managers being wary of upsetting customers.