Переведите следующие предложения на английский язык: 1. Каждый потребитель должен решить проблему выбора. 2. При равновесной

1. Every consumer must solve the problem of choice. 2. At an equilibrium price, the offer is equal to demand. 3. Prices below the equilibrium lead to a deficit. 4. In a free market, price changes depend on the changes in demand and supply. 5. The firm can control one or more production units, such as a factory. 6. The concept of marginal utility is very important for solving some problems of demand.