Question: How can I get more gas for my money?

  Options: 
 A. Get gas at the coolest part of the day, usually early morning or very late at night, gas expands and contracts 1 percent for every 15 degrees, the cooler the temperature of the gas, the more you get.
 B. Get gas at the hottest part of the day, usually early morning or very late at night, gas expands and contracts 1 percent for every 15 degrees, the cooler the temperature of the gas, the more you get.
Answer: A