Mike worked as an employee in an automotive repair shop. many of his repairs were fixing botched stereo installations. mike learned he was very good at correctly installing car stereo systems. he also learned that the chain stores that sold the car stereo systems, and offered ‘free' installation, were not good at installing their own stereos. mike began to think about opening his own stereo installation specialty shop. he listened to his customers complaints and decided there was a need in his area for just this type of service. this is an example of: