Depends on the pay. work untill you reach at least 30$ a day and you should be good if you are a starter.
Market demand can differet from individual demand. This is, however, often not the case. Groups of individuals usually have a demand for a certain product which in turn cretes what we call market demand. Market demand is simply the demand for a product from a large number of people; the market. And a large number of people is of course composed of individuals.
This means that you may be an individual who created the market demand for certain products, but you don't create it for other products.
Federal Emergency, Administration of public works, Franklin D. Roosevelt,president of the united states. Harold L. Ickes, Administrator of public works. Pine City Village Hall, 1939. I hope this is what you are looking for
"The Senate of the Roman Republic was a political institution in the ancient Roman Republic. It was not an elected body, but one whose members were appointed by the consuls, and later by the censors. After a Roman magistrate served his term in office, it usually was followed with automatic appointment to the Senate." -Wikipedia
Hope this helped you!