AB Manufacturing seeks to buy a new materials resource planning (MRP) software system. At the ‘defining the business need’ stage of the procurement cycle, the procurement manager ensured that all the internal stakeholders involved had the power to contribute and sign off on requirements. For the MRP system, the procurement manager consulted the head of production planning of AB Manufacturing. The head of production contributed to demand levels, existing manufacturing planning, and existing staff levels. What type of power does the head of production demonstrate?