Members of elizabeth's sorority volunteer in a soup kitchen in albuquerque. she spent last saturday helping out, and felt satisfied because she was contributing to her community. was this an exchange?
Yes, because serving food was exchanged for something of value—a feeling of satisfaction. An exchange would includes every actions that make all parties involved a certain form of value or desire.A feeling of satisfaction could be included as a form of emotional desire that people could achieve by doing something that benefits others.