(1) When we visit the industrial buyers, we often say "treat secretaries and receptionists kindly". Why? Use the seven (7) roles (e.g., initiators) the organization members play in the purchase decision process to answer the question. (2) There are five sources of power that can be effectively used to influence the partner's decision (e.g., reward, expert, referent). Which power source can be most effective for short-term effect and which source can be most effective for relationship-building