An order taker at a producer of bed linens receives an order from a retailer for 6,500 pillows to be shipped to the retailer's warehouse. The retailer will pay for shipping. Which channel member is most likely to set requirements for routing?

The retailer
The consumer
The wholesaler
The producer

The retailer is most likely to set requirements for routing in this situation. They are the ones purchasing the pillows and arranging for them to be shipped to their warehouse, so they will likely have specific guidelines for how they want the pillows to be shipped and delivered.