3. In a free enterprise economy, prices are determined: a. By central government planning b. Due to the forces of demand and supply of thousands of buyers and sellers of a good. c. For the thousands of production firms that make up the different industries d. Because of the oligopolies and monopolies that operate in an economy e. All of the above2. The dilemmas or "trade-offs" that individuals or society face mean that: a. To get what we like, we usually have to give up something else that we also like. b. Making decisions is choosing between two objectives. c. The choice that society makes between efficiency and equity. d. If you want something, it's going to cost you e. All of the above