 Why is Jones a change in the pricing structure for supply runs?
This boiling lowered the temperature, and the condenser demonstrated its efficiency by quickly freezing the water in the tank. For example, because of an order of his stating that there would be no alcoholic beverages within the survey building, the entire survey was assured of a constant supply of home-made, but passably good liquor. It was used mostly, from sun-up to sun-down, to supplement the nuclear power plant. All of these needed water to form, and their existence on the Moon puzzled him for a while. "And then," continued Jones, "if I buy a cargo up here, the Commission it is that says what I'll sell it for.
 It would allow more necessary supplies to reach Earth
 He thinks it would save time in writing contracts  He thinks he can make a bigger profit if he has more control  It would allow more necessary supplies to reach Earth  He wants to be able to carry more expensive supplies