Mickey's Catering serves corporate and social groups in the local area. The company's biggest client is Strategic Solutions Corporation (SSC). Mickey's does all of SSC's catering, including a weekly lunch at headquarters for all 300 employees and all of SSC's meetings and events. As SSC has grown, Mickey's has grown. The fact that Mickey's Catering's success is a result of SSC's success is an example of: derived demand demand forecasting just-in-time demand inverse demand