Early supplier involvement (ESI): 1. Is defined as including key suppliers early in the product design process 2. Usually requires having the right number and mix of key suppliers before suppliers can be involved in design projects 3. Is usually done with suppliers that provide leverage commodities 4. Often leads to significant improvements in quality as products will be easier to build O Only 1 and 4 O Only 3 and 4 O 1.2. and 4 o Only 2 and 4 O 1, 2, 3, and 4