A U.S. manufacturer has an offshore, single-source supplier for a critical part. Many of the parts are rejected by receiving inspection because they are out of tolerance, but the material review board subsequently accepts those rejects. If a process improvement team has been asked to focus on this problem, which of the following steps should the team take first? Calculator A Review the specification limits with engineering Perform 100% inspection on incoming parts from this supplier Require the supplier to provide a certificate of conformance for eacin lot Reject all lots until the supplier corrects the