Scenario 7.1. Levi owns a store that sells cooking products to end consumers. He has worked with the same supplier for many years and trusts the supplier completely. Whenever Levi needs to order new inventory from his supplier, he sends them information specifying the type of product, the quantity, the color, and some general quality characteristics. Levi has been with his supplier for years and knows how thorough they are. Finding defective products is so rare that Levi doesn't even bother examining the shipment, other than to make sure the products adhere to the standards specified. Refer to Scenario 7.1. Which method of buying does Levi use? Sampling Sole sourcing Inspection Description Negotiation