; and (ii) to complete additional inspections of high-risk items; (C) changes in U.S. Customs and Border Protection officer time commitments and personnel needs to sustain high volume NII scanning operations when technology enhancements are utilized; and (D) operational costs, including— (i) estimated implementation costs for each NII system with technology enhancements; and (ii) estimated cost savings due to improved efficiency due to technology enhancements, if applicable.