4. The year is 2278, and the starship Enterprise is running low on dilithium crystals, which are used to regulate the matter-antimatter reactions that propel the ship across the universe. Without the crystals, space-time travel is not possible. If there is only one known source of dilithium crystals, are the necessary conditions met to establish a monopoly? If the crystals are government owned or regulated, what price should the government set for them?