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? 123 124 125 126 "127 128 129 130 131 132 133 '134 135 136 Calculator 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 each lot D Reject all lots until the supplier corrects the