The factors that influence supply are surveyed, as well as production costs and rate of production, using an ant farm as an example.
| Actor | Role |
|---|---|
| EEd BakeyNot listed | Not listed |
| TTony BallenNot listed | Not listed |
| BBob BassoNot listed | Not listed |
| PPat BensonNot listed | Not listed |
 Woody ChamblissNot listed | Not listed |
| EEunice ChristopherNot listed | Not listed |
 Marie DennNot listed | Not listed |
 Jeff EastNot listed | Not listed |
 Terrence EvansNot listed | Not listed |
 Danny GoldmanNot listed | Not listed |
| LLance GordonNot listed | Not listed |
 Ann Morgan GuilbertNot listed | Not listed |
| TTheodore LehmannNot listed | Not listed |
| AArt LewisNot listed | Not listed |
 Frank Michael LiuNot listed | Not listed |
| ZZora MargolisNot listed | Not listed |
 Joseph MellNot listed | Not listed |
| KKres MerskyNot listed | Not listed |